/* ========================================================
   RED SIGNATURE THEME - 100% RESPONSIVE (REM BASED) & LUXURY J
======================================================== */
/* Fonts (Bodoni Moda, Cairo, IBM Plex Mono) are added by assets/js/main.js so a slow font server can never block the first paint. */

/* ✨ السحر هنا: التحكم في حجم السيستم بالكامل حسب الشاشة ✨ */
html { font-size: 16px; scroll-behavior: smooth; }
@media (max-width: 1200px) { html { font-size: 15px; } }
@media (max-width: 992px)  { html { font-size: 14px; } }
@media (max-width: 768px)  { html { font-size: 13.5px; } }
@media (max-width: 480px)  { html { font-size: 12px; } }

:root {
    --primary: #DC2626; --primary-hover: #B91C1C; --btn-text: #FFFFFF;
    --bg-main: #050505; --card-bg: #111111; --sidebar-bg: #0A0A0A;
    --text-main: #F8FAFC; --text-muted: #9CA3AF; --border-color: #262626; --item-bg: #1A1A1A;
    --danger: #EF4444; --success: #10B981;
    --shadow-sm: 0 0.25rem 0.375rem rgba(0,0,0,0.5); 
    --shadow-lg: 0 0.9375rem 1.875rem rgba(0,0,0,0.8);
    --glow: 0 0 0.9375rem rgba(220, 38, 38, 0.35); 
    --gradient-header: linear-gradient(135deg, #4A0404 0%, #050505 100%);
    --transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* المقاسات بـ rem */
    --radius-pill: 3.125rem; 
    --radius-card: 1rem; 
    --radius-input: 0.75rem;
    --topbar-height: 3.75rem;
    color-scheme: dark;
}

body.light-mode {
    --primary: #DC2626; --primary-hover: #B91C1C; --btn-text: #FFFFFF;
    --bg-main: #F1F5F9; --card-bg: #FFFFFF; --sidebar-bg: #FFFFFF;
    --text-main: #0F172A; --text-muted: #64748B; --border-color: #E2E8F0; --item-bg: #F8FAFC;
    --shadow-sm: 0 0.125rem 0.5rem rgba(0,0,0,0.06); 
    --shadow-lg: 0 0.9375rem 1.875rem rgba(220, 38, 38, 0.15);
    --glow: 0 0.3125rem 0.9375rem rgba(220, 38, 38, 0.2); 
    --gradient-header: linear-gradient(135deg, #FEE2E2 0%, #FFFFFF 100%);
    color-scheme: light;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Cairo', sans-serif; }
body { background-color: var(--bg-main); color: var(--text-main); font-size: 0.8125rem; line-height: 1.5; transition: background-color 0.3s, color 0.3s; }
::-webkit-scrollbar { width: 0.375rem; height: 0.375rem; } 
::-webkit-scrollbar-track { background: transparent; } 
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: var(--radius-pill); } 
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.num, .meta-chip div, .price-val, .cash-row b, .calc-highlight b, .calc-item b { font-family: 'IBM Plex Mono', monospace; font-variant-numeric: tabular-nums; }

/* الأزرار العادية */
.btn { padding: 0.625rem 1.25rem; font-family: 'Cairo'; font-weight: 800; cursor: pointer; border: none; transition: 0.3s; display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem; border-radius: 0.5rem;}
.btn-pill { border-radius: 3.125rem !important; }
.btn-primary-style { background: var(--primary); color: var(--btn-text); }
.btn-primary-style:hover { background: var(--primary-hover); transform: translateY(-0.125rem); }
.btn-outline-light { background: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-outline-light:hover { border-color: var(--primary); color: var(--primary); }
.w-100 { width: 100%; }

/* =========================================
   ✨ CUSTOM J-LOGO - LUXURY BODONI MODA ✨
========================================= */

/* اللوجو الصغير (القوائم والسايدبار) */
.j-logo {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 8.75rem; 
    height: 2.5rem;
    user-select: none;
}
.j-top, .j-bot {
    font-family: 'Bodoni Moda', serif; /* الفونت الفخم */
    font-size: 4rem;
    font-weight: 500; 
    color: var(--primary);
    position: absolute;
    line-height: 1;
    z-index: 1;
    transform: translateY(-0.15rem); 
    text-shadow: none; 
}
.j-top { clip-path: inset(0 0 53% 0); } 
.j-bot { clip-path: inset(51% 0 0 0); } 

.j-logo .j-text {
    font-family: 'Cairo', sans-serif;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--text-main);
    background: transparent; 
    padding: 0;
    z-index: 2;
    letter-spacing: 0.0625rem;
    text-transform: uppercase;
    position: relative;
    border: none; 
    text-shadow: 0 0.0625rem 0.25rem rgba(0,0,0,0.8); 
}

/* =========================================
   1. LANDING PAGE
========================================= */
#landingPageContainer { display: block; min-height: 100vh; overflow-y: auto; }
.site-bar { position: sticky; top: 0; z-index: 500; display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: var(--topbar-height); padding: 0.625rem 1.875rem; background: var(--card-bg); border-bottom: 1px solid var(--border-color); box-shadow: var(--shadow-sm); }
.site-bar-brand { display: flex; align-items: center; }
.site-bar-links { display: flex; align-items: center; gap: 1.375rem; }
.site-bar-links a { color: var(--text-muted); text-decoration: none; font-weight: 700; font-size: 0.875rem; transition: var(--transition); scroll-margin-top: calc(var(--topbar-height) + 0.9375rem); }
.site-bar-links a:hover { color: var(--primary); }
.site-bar-actions { display: flex; align-items: center; gap: 0.625rem; }
.site-bar-login { padding: 0.5rem 1.125rem; font-size: 0.8125rem; }
.nav-app-hidden { display: none !important; }
.theme-switcher { background: var(--item-bg); border: 1px solid var(--border-color); color: var(--text-main); padding: 0.5rem 0.9375rem; border-radius: var(--radius-pill); cursor: pointer; font-weight: 700; font-size: 0.8125rem; transition: var(--transition); display: flex; align-items: center; justify-content: center;}
.theme-switcher:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-0.125rem);}

/* ✨ Hero Section ✨ */
.landing-hero { position: relative; overflow: hidden; background: var(--gradient-header); color: var(--text-main); padding: 6.25rem 1.25rem 5rem; text-align: center; border-radius: 0 0 var(--radius-card) var(--radius-card); margin-bottom: 2.5rem; border-bottom: 2px solid var(--primary); box-shadow: var(--shadow-sm);}
.landing-hero::before { content:''; position:absolute; width:32.5rem; height:32.5rem; background: radial-gradient(circle, rgba(220,38,38,0.28) 0%, transparent 70%); top:-12.5rem; inset-inline-end:-11.25rem; pointer-events:none; }
.landing-hero::after { content:''; position:absolute; width:23.75rem; height:23.75rem; background: radial-gradient(circle, rgba(220,38,38,0.14) 0%, transparent 70%); bottom:-10rem; inset-inline-start:5%; pointer-events:none; }
.hero-inner { position: relative; z-index: 1; max-width: 73.75rem; margin: 0 auto; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; text-align: center; }
.hero-content { flex: 1 1 100%; max-width: 50rem; display: flex; flex-direction: column; align-items: center; margin: 0 auto; animation: heroFadeUp 0.7s ease both; }
.landing-hero p { max-width: 38.75rem; margin: 0 auto; font-size: 0.96875rem; color: var(--text-muted); font-weight: 600; line-height: 1.85; text-align: center;}
.btn-large { padding: 0.9375rem 2.375rem; font-size: 0.9375rem; margin-top: 2rem; box-shadow: var(--glow);}

@keyframes heroFadeUp { from { opacity: 0; transform: translateY(1.125rem); } to { opacity: 1; transform: translateY(0); } }

/* ✨ THE GIANT HERO LOGO - EXACT MATCH ✨ */
.hero-main-logo {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5625rem;
    min-height: 12.5rem; 
    width: 100%;
    user-select: none;
}
.hero-j-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
.hero-j-top, .hero-j-bot {
    font-family: 'Bodoni Moda', serif; /* الفونت الفخم الأصلي */
    font-size: 15rem; 
    font-weight: 500; 
    color: var(--primary);
    position: absolute;
    line-height: 1;
    transform: none; 
    text-shadow: none; 
}
.hero-j-top { clip-path: inset(0 0 52% 0); } /* ظبطت القطعية عشان تبقى في نص الكلمة بالمللي */
.hero-j-bot { clip-path: inset(51% 0 0 0); } 

.hero-j-text {
    position: relative;
    z-index: 2;
    font-family: 'Cairo', sans-serif; 
    font-size: clamp(1.25rem, 3.5vw, 1.75rem); 
    font-weight: 700; 
    color: var(--text-main);
    margin: 0;
    padding: 0; 
    background: transparent; 
    letter-spacing: 0.375rem; 
    text-transform: uppercase; 
    border: none; 
    text-shadow: 0 0.25rem 0.9375rem rgba(0,0,0,0.9); 
}

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(17.5rem, 1fr)); gap: 1.25rem; max-width: 68.75rem; margin: 0 auto 3.75rem auto; padding: 0 1.25rem; }
.feature-card { background: var(--card-bg); padding: 1.875rem 1.5625rem; text-align: center; border-radius: var(--radius-card); border: 1px solid var(--border-color); transition: var(--transition); }
.feature-card:hover { border-color: var(--primary); transform: translateY(-0.3125rem); box-shadow: var(--glow);}
.feature-card h3 { font-size: 1.125rem; color: var(--text-main); margin-bottom: 0.75rem; }

.pricing-section { text-align: center; max-width: 62.5rem; margin: 0 auto 3.75rem auto; padding: 0 1.25rem; }
.pricing-section h2 { font-size: 1.625rem; color: var(--text-main); margin-bottom: 0.625rem; font-weight: 800;}
.pricing-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(17.5rem, 1fr)); gap: 1.25rem; margin-top: 2.5rem; }
.price-card { background: var(--card-bg); padding: 2.5rem 1.5625rem; border-radius: var(--radius-card); border: 1px solid var(--border-color); text-decoration: none; display: block; transition: var(--transition); position: relative;}
.price-card:hover { border-color: var(--primary); transform: translateY(-0.3125rem); box-shadow: var(--glow);}
.price-card h3 { font-size: 1.125rem; color: var(--text-muted); margin-bottom: 0.9375rem; }
.price-val { font-size: 2.25rem; font-weight: 800; color: var(--text-main); margin-bottom: 0.9375rem; }
.featured-plan { border: 2px solid var(--primary); box-shadow: var(--glow);}

.landing-footer { border-top: 1px solid var(--border-color); padding: 2.5rem 1.25rem; text-align: center; background: var(--card-bg);}
.landing-footer p { color: var(--text-muted); font-size: 0.78125rem; margin: 0 0 1.125rem; }
.landing-footer a.footer-contact { display: inline-flex; align-items: center; gap: 0.375rem; color: var(--text-main); text-decoration: none; font-weight: 700; font-size: 0.8125rem; background: var(--item-bg); border: 1px solid var(--border-color); padding: 0.625rem 1.25rem; border-radius: var(--radius-pill); transition: var(--transition); }
.landing-footer a.footer-contact:hover { border-color: var(--primary); color: var(--primary); }
.landing-footer .footer-fine { margin-top: 1.5rem; font-size: 0.6875rem; color: var(--text-muted); opacity: 0.7; }

/* =========================================
   2. SYSTEM APP INTERFACE
========================================= */
.app { display: flex; height: 100vh; overflow: hidden; padding: 0.75rem; gap: 0.75rem;}
.sidebar { width: 15.625rem; background-color: var(--sidebar-bg); display: flex; flex-direction: column; padding: 1.25rem 0.9375rem; border-radius: var(--radius-card); box-shadow: var(--shadow-sm); z-index: 10; overflow-y: auto; border: 1px solid var(--border-color); transition: var(--transition);}
.brand { display: flex; flex-direction: column; align-items: center; margin-bottom: 0.9375rem; padding-bottom: 0.9375rem; border-bottom: 1px dashed var(--border-color); gap: 0.375rem;}
.brand small { display: block; font-size: 0.6875rem; color: var(--text-muted); font-weight: 600; margin-top: 0.125rem; }
.auth-badge { background: var(--item-bg); padding: 0.625rem 0.9375rem; margin-bottom: 1.25rem; display: flex; justify-content: space-between; align-items: center; font-size: 0.6875rem; border-radius: var(--radius-pill); border: 1px solid var(--border-color); }
.side-section-title { font-size: 0.6875rem; color: var(--text-muted); margin-bottom: 0.625rem; font-weight: 800; padding-right: 0.3125rem; }
.side-actions { margin-top: auto; padding-top: 0.9375rem; display: flex; flex-direction: column; gap: 0.5rem; }

.btn-loc-toggle-mobile { display: none; }
.desktop-only { display: block; }

.location-tree { flex: 1; display: flex; flex-direction: column; gap: 0.375rem; }
.loc-group-header-row, .sub-loc-tab { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 0.75rem; cursor: pointer; transition: var(--transition); border-radius: var(--radius-pill); font-weight: 700; background: var(--item-bg); border: 1px solid transparent;}
.loc-group-header-row:hover, .sub-loc-tab:hover { border-color: var(--primary); box-shadow: var(--shadow-sm);}
.sub-loc-tab { margin-right: 0.625rem; padding: 0.375rem 0.75rem; font-size: 0.75rem; color: var(--text-muted); background: transparent; border:none;}
.loc-main-clickable.active, .sub-loc-tab.active { background: var(--primary); color: var(--btn-text); border-color: var(--primary); box-shadow: var(--glow);}
.loc-main-clickable.active span, .sub-loc-tab.active span { color: var(--btn-text); }
.loc-main-clickable { flex: 1; font-size: 0.75rem; }
.sub-loc-list { display: none; margin-bottom:0.5rem; padding-right: 0.5rem; border-right: 2px solid var(--border-color); margin-right: 0.625rem;}
.sub-loc-list.show { display: block; }
.arrow-toggle { color: var(--text-muted); padding: 0 0.375rem; font-size: 0.625rem; }
.arrow-toggle.open { transform: rotate(90deg); color: var(--primary); }

.add-loc-form input, .add-sub-loc-box input { flex: 1; background: var(--bg-main); border: 1px solid var(--border-color); color: var(--text-main); padding: 0.5rem 0.75rem; border-radius: var(--radius-pill); font-size: 0.6875rem; outline: none; transition: var(--transition); width: 100%; }
.add-loc-form input:focus, .add-sub-loc-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.2); }
.add-loc-form, .add-sub-loc-box { display: flex; gap: 0.375rem; margin-top: 0.5rem; }
.loc-del-btn { background: transparent; color: var(--text-muted); border: none; width: 1.5rem; height: 1.5rem; border-radius: 50%; cursor: pointer; transition: var(--transition); display:flex; align-items:center; justify-content:center;}
.loc-del-btn:hover { color: var(--btn-text); background: var(--danger); }

.main { flex: 1; background: var(--card-bg); border-radius: var(--radius-card); padding: 1.5625rem; box-shadow: var(--shadow-sm); overflow-y: auto; border: 1px solid var(--border-color); transition: var(--transition);}
.topbar { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 1.25rem; }
.page-title { font-size: 1.625rem; color: var(--text-main); font-weight: 800; }
.page-sub { font-size: 0.75rem; color: var(--primary); font-weight: 700; margin-top: 0.125rem; }

/* لوحة بيانات الإدارة */
.admin-stats-board { background: var(--item-bg); border: 1px solid var(--border-color); border-radius: var(--radius-card); padding: 0.9375rem 1.25rem; margin-bottom: 1.5625rem; display: flex; gap: 0.9375rem; align-items: center; justify-content: space-between; flex-wrap: wrap; box-shadow: var(--shadow-sm); }
.stat-card { flex: 1; min-width: 8.75rem; background: var(--card-bg); border: 1px solid var(--border-color); padding: 0.9375rem; border-radius: var(--radius-input); text-align: center; cursor: pointer; transition: var(--transition); display: flex; flex-direction: column; align-items: center; justify-content: center; }
.stat-card:hover { transform: translateY(-0.1875rem); box-shadow: var(--glow); border-color: var(--primary); }
.stat-card.active { border-color: var(--primary); background: rgba(220, 38, 38, 0.08); box-shadow: inset 0 0 0 1px var(--primary); }
.stat-card h4 { font-size: 0.75rem; color: var(--text-muted); font-weight: 800; margin-bottom: 0.3125rem; }
.stat-card b { font-size: 1.625rem; font-weight: 800; font-family: 'IBM Plex Mono', monospace; line-height: 1;}
.stat-success b { color: var(--success); }
.stat-warning b { color: #F59E0B; }
.stat-total b { color: var(--primary); }

.search-master-container { background: var(--card-bg); padding: 0.9375rem 1.25rem; border-radius: var(--radius-card); box-shadow: var(--shadow-sm); margin-bottom: 1.5625rem; border: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 0.9375rem;}
.search-main-row { display: flex; align-items: center; gap: 0.625rem; border-bottom: 1px solid var(--border-color); padding-bottom: 0.9375rem; }
.search-icon { flex-shrink: 0; color: var(--text-muted); width: 1.125rem; height: 1.125rem; }
.main-search-input { flex: 1; border: none; background: transparent; padding: 0.625rem 0.3125rem; font-size: 1rem; outline: none; color: var(--text-main); font-weight: 600; width: 100%;}
.main-search-input::placeholder { color: var(--text-muted); }
.search-clear-btn { flex-shrink: 0; background: var(--item-bg); border: 1px solid var(--border-color); color: var(--text-muted); width: 1.625rem; height: 1.625rem; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; transition: var(--transition); }
.search-clear-btn:hover { border-color: var(--danger); color: var(--danger); }

.filters-row { display: flex; gap: 0.75rem; align-items: center; position: relative; width: 100%;}
.filter-dropdown-wrapper { position: relative; flex: 1; min-width: 0;}
.filter-btn { background: var(--item-bg); border: 1px solid var(--border-color); padding: 0.75rem 1.25rem; border-radius: var(--radius-pill); font-size: 0.875rem; font-weight: 700; color: var(--text-main); cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 0.625rem; transition: var(--transition); width: 100%;}
.filter-btn:hover { border-color: var(--primary); }
.filter-btn .arrow { font-size: 0.625rem; color: var(--text-muted); transition: var(--transition);}
.filter-dropdown-wrapper.active .filter-btn { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(220,38,38,0.2);}
.filter-dropdown-wrapper.active .arrow { transform: rotate(180deg); color: var(--primary);}

.filter-dropdown-menu { position: absolute; top: calc(100% + 0.625rem); right: 0; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-card); padding: 1.25rem; box-shadow: var(--shadow-lg); z-index: 100; min-width: 15.625rem; display: none; opacity: 0; transform: translateY(-0.625rem); transition: all 0.2s ease;}
.filter-dropdown-wrapper.active .filter-dropdown-menu { display: block; opacity: 1; transform: translateY(0);}
.filter-menu-item { margin-bottom: 0.75rem; }
.filter-menu-item label { display: flex; align-items: center; gap: 0.625rem; font-size: 0.875rem; font-weight: 600; color: var(--text-main); cursor: pointer;}
.filter-menu-item input[type="checkbox"] { accent-color: var(--primary); width: 1.125rem; height: 1.125rem; cursor: pointer;}
.filter-menu-title { font-size: 0.75rem; font-weight: 800; color: var(--text-muted); margin-bottom: 0.625rem; margin-top: 0.3125rem;}
.range-input { width: 100%; padding: 0.625rem 0.875rem; background: var(--item-bg); border: 1px solid var(--border-color); border-radius: var(--radius-input); color: var(--text-main); font-size: 0.875rem; outline: none; font-weight: 600;}
.range-input:focus { border-color: var(--primary); }

.pill-group { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.9375rem;}
.pill { padding: 0.5rem 1.125rem; background: var(--item-bg); border: 1px solid var(--border-color); border-radius: var(--radius-pill); font-size: 0.8125rem; font-weight: 700; color: var(--text-main); cursor: pointer; transition: var(--transition);}
.pill:hover { border-color: var(--primary); color: var(--primary);}
.pill.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: var(--glow);}

.btn-search-action { padding: 0.75rem 2.1875rem; font-size: 0.9375rem; border-radius: var(--radius-pill); flex-shrink: 0;} 
.btn-clear-filters { background: transparent; border: 1px solid var(--border-color); color: var(--text-muted); width: 2.75rem; height: 2.75rem; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); flex-shrink: 0;}
.btn-clear-filters:hover { border-color: var(--danger); color: var(--danger); background: var(--item-bg);}

.project-type-nav { display: flex; gap: 0.5rem; margin-bottom: 1.5625rem; align-items: center; flex-wrap: wrap; background: var(--item-bg); padding: 0.5rem; border-radius: var(--radius-pill); border: 1px solid var(--border-color);}
.type-nav-label { font-weight: 800; font-size: 0.75rem; color: var(--text-muted); margin-left: 0.3125rem; padding-right: 0.625rem; }
.type-nav-btn { background: transparent; border: none; padding: 0.5rem 1rem; cursor: pointer; font-weight: 700; font-size: 0.75rem; color: var(--text-muted); transition: var(--transition); border-radius: var(--radius-pill); }
.type-nav-btn:hover { background: var(--card-bg); color: var(--text-main); }
.type-nav-btn.active { background: var(--primary); color: var(--btn-text); box-shadow: var(--shadow-sm);}
.ml-auto { margin-right: auto; padding-left: 0.625rem; }

.sort-small-box { display: flex; align-items: center; gap: 0.375rem; background: transparent; }
.sort-small-box label { font-size: 0.6875rem; font-weight: 700; color: var(--text-muted); }
.sort-small-box select { border: none; outline: none; background: var(--card-bg); padding: 0.375rem 0.75rem; border-radius: var(--radius-pill); font-weight: 700; color: var(--text-main); cursor: pointer; font-size: 0.6875rem; border: 1px solid var(--border-color);}

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(16.25rem, 1fr)); gap: 1.125rem; padding-bottom: 1.875rem; }
.empty-state { grid-column: 1 / -1; text-align: center; padding: 3.75rem 1.25rem; display: flex; flex-direction: column; align-items: center; gap: 0.375rem; color: var(--text-muted); }
.empty-state-icon { font-size: 2.125rem; margin-bottom: 0.375rem; opacity: 0.7; }
.empty-state-title { font-size: 1rem; font-weight: 800; color: var(--text-main); }
.empty-state-sub { font-size: 0.8125rem; margin-bottom: 0.625rem; }
.skeleton-card { pointer-events: none; }
.skeleton-line { border-radius: 0.375rem; background: linear-gradient(90deg, var(--item-bg) 25%, var(--border-color) 50%, var(--item-bg) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
mark { background: rgba(220, 38, 38, 0.22); color: inherit; border-radius: 3px; padding: 0 2px; }

@keyframes cardPop {
    from { opacity: 0; transform: translateY(1.25rem) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.dossier { 
    background: var(--item-bg); 
    padding: 1.375rem; 
    border-radius: var(--radius-card); 
    border: 1px solid var(--border-color); 
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.27), box-shadow 0.4s ease, border-color 0.4s ease; 
    cursor: pointer; 
    position: relative; 
    display: flex; 
    flex-direction: column; 
    overflow: hidden;
    animation: cardPop 0.5s ease-out backwards;
}

.master-dossier { border-color: #3B82F6; }
.master-dossier:hover { box-shadow: 0 1.5625rem 3.125rem rgba(0,0,0,0.7), 0 0 1.5625rem rgba(59, 130, 246, 0.2); border-color: #3B82F6; }
body.light-mode .master-dossier:hover { box-shadow: 0 1.5625rem 3.125rem rgba(0,0,0,0.08), 0 0 1.5625rem rgba(59, 130, 246, 0.3); }
.master-badge { position: absolute; top: 0.75rem; left: -1.875rem; background: #3B82F6; color: #fff; padding: 0.25rem 2.1875rem; transform: rotate(-45deg); font-size: 0.5625rem; font-weight: 800; box-shadow: var(--shadow-sm); z-index:10;}

.phase-tag { display:inline-block; font-size:0.6875rem; font-weight:800; color:var(--btn-text); background:var(--primary); padding:0.125rem 0.5rem; border-radius:0.25rem; margin-right:0.5rem; vertical-align:middle; text-shadow:none; letter-spacing:0; }

.dossier::after {
    content: ''; position: absolute; top: 0; left: -150%; width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.04), transparent);
    transform: skewX(-25deg); transition: left 0.7s ease; pointer-events: none; z-index: 1;
}
body.light-mode .dossier::after { background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.6), transparent); }
.dossier:hover { transform: translateY(-0.5rem) scale(1.02); box-shadow: 0 1.5625rem 3.125rem rgba(0,0,0,0.7), 0 0 1.5625rem rgba(220, 38, 38, 0.15); border-color: var(--primary); z-index: 2; }
body.light-mode .dossier:hover { box-shadow: 0 1.5625rem 3.125rem rgba(0,0,0,0.08), 0 0 1.5625rem rgba(220, 38, 38, 0.2); }
.dossier:hover::after { left: 150%; }

.stamp { position: absolute; top: 0.75rem; left: -1.5625rem; background: var(--primary); color: var(--btn-text); padding: 0.25rem 1.875rem; transform: rotate(-45deg); font-size: 0.5625rem; font-weight: 800; letter-spacing: 0.03125rem; box-shadow: var(--shadow-sm);}
.dossier-company { font-size: 0.6875rem; color: var(--text-muted); font-weight: 800; margin-bottom: 0.25rem; text-transform: uppercase;}

.dossier-title { font-size: 1.125rem; font-weight: 800; color: var(--text-main); margin-bottom: 0.5rem; line-height: 1.3; transition: color 0.3s ease, text-shadow 0.3s ease; }
.dossier:hover .dossier-title { color: var(--primary); text-shadow: 0 0 0.75rem rgba(220, 38, 38, 0.3); }
.master-dossier:hover .dossier-title { color: #3B82F6; text-shadow: 0 0 0.75rem rgba(59, 130, 246, 0.3); }

.dossier-badge { display: inline-block; font-size: 0.625rem; font-weight: 800; color: var(--primary); margin-bottom: 0.9375rem; background: var(--card-bg); padding: 0.25rem 0.625rem; border-radius: var(--radius-pill); align-self: flex-start; border: 1px solid var(--border-color); transition: all 0.3s ease; }
.dossier:hover .dossier-badge { background: var(--primary); color: var(--btn-text); box-shadow: var(--glow); transform: translateX(-0.25rem); }
.master-dossier:hover .dossier-badge { background: #3B82F6; box-shadow: 0 0 0.9375rem rgba(59,130,246,0.3); }

.dossier-row { display: flex; justify-content: space-between; font-size: 0.75rem; padding: 0.5rem 0; border-top: 1px dashed var(--border-color); color: var(--text-main); font-weight: 600; }
.dossier-row b { color: var(--text-muted); font-weight: 700; }
.dossier-meta { margin-top: auto; padding-top: 0.9375rem; display: grid; grid-template-columns: 1fr 1fr; gap: 0.625rem; }

.meta-chip { background: var(--card-bg); padding: 0.75rem; border-radius: var(--radius-input); border: 1px solid var(--border-color); text-align: center; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.27); }
.dossier:hover .meta-chip { border-color: rgba(220, 38, 38, 0.4); background: rgba(220, 38, 38, 0.05); transform: translateY(-0.25rem); box-shadow: 0 0.3125rem 0.9375rem rgba(0,0,0,0.2); }
body.light-mode .dossier:hover .meta-chip { box-shadow: 0 0.3125rem 0.9375rem rgba(220, 38, 38, 0.1); }
.master-dossier:hover .meta-chip { border-color: rgba(59, 130, 246, 0.4); background: rgba(59, 130, 246, 0.05); }

.meta-chip span { display:block; font-size: 0.625rem; color: var(--text-muted); font-weight: 800; margin-bottom: 0.25rem; }
.meta-chip div { font-size: 0.8125rem; font-weight: 800; color: var(--primary); text-shadow: var(--glow); }

.phases-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr)); gap: 0.9375rem; }
.mini-phase { padding: 1.125rem; border-radius: var(--radius-input); text-align: center; justify-content:center; }
.mini-phase .dossier-title { font-size: 1rem; margin-bottom: 0.75rem; }
.mini-phase .dossier-row { font-size: 0.6875rem; padding: 0.375rem 0; border-top: 1px solid var(--border-color);}

/* =========================================
   3. MODALS & OVERLAYS 
========================================= */
.overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(4px); z-index: 1000; display: none; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s; }
body.light-mode .overlay { background: rgba(255, 255, 255, 0.8); }
.overlay.open { display: flex; opacity: 1; }

.curved-modal { background: var(--card-bg); width: 95%; max-width: 46.875rem; max-height: 85vh; display: flex; flex-direction: column; box-shadow: var(--shadow-lg); transform: scale(0.95) translateY(1.25rem); transition: var(--transition); border: 1px solid var(--border-color); border-radius: var(--radius-card); overflow: hidden;}
.overlay.open .curved-modal { transform: scale(1) translateY(0); }
.modal-header { padding: 1.25rem 1.5625rem; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; background: var(--gradient-header); color: var(--text-main);}
.modal-header h3 { font-size: 1.125rem; font-weight: 800; color: #fff; text-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.5);}
.modal-close { background: rgba(128,128,128,0.1); border: none; width: 2rem; height: 2rem; border-radius: 50%; font-size: 0.875rem; color: #fff; cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center;}
.modal-close:hover { background: var(--danger); color: #fff; box-shadow: 0 0 0.625rem var(--danger); transform: rotate(90deg); }
.modal-body { padding: 1.5625rem; overflow-y: auto; flex: 1; background: var(--bg-main); }
.modal-footer { padding: 0.9375rem 1.5625rem; border-top: 1px solid var(--border-color); background: var(--card-bg); display: flex; justify-content: flex-end; gap: 0.625rem; }

.paywall-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); z-index: 9999; display: none; align-items: center; justify-content: center; backdrop-filter: blur(5px);}
body.light-mode .paywall-overlay { background: rgba(255,255,255,0.85); }
.paywall-card { background: var(--card-bg); padding: 2.5rem 1.875rem; border-radius: 1rem; border: 1px solid var(--border-color); width: 90%; max-width: 25rem; text-align: center; position: relative; box-shadow: 0 0.9375rem 1.875rem rgba(0,0,0,0.5);}
.paywall-card h2 { font-size: 1.375rem; margin-bottom: 0.9375rem; color: var(--text-main); font-weight: 800;}
.paywall-card input[type="email"], .paywall-card input[type="password"] { width: 100%; padding: 0.75rem 1.25rem; margin-bottom: 0.75rem; border: 1px solid var(--border-color); border-radius: var(--radius-pill); font-size: 0.8125rem; background: var(--item-bg); color: var(--text-main); outline: none; transition: var(--transition); font-weight: 600;}
.paywall-card input[type="email"]:focus, .paywall-card input[type="password"]:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);}
.paywall-card input[type="checkbox"] { width: auto; margin: 0; cursor: pointer; accent-color: var(--primary); }
.login-close-btn { position: absolute; top: 0.9375rem; right: 0.9375rem; background: var(--item-bg); border: 1px solid var(--border-color); font-size: 0.875rem; width: 2rem; height: 2rem; border-radius: 50%; cursor: pointer; color: var(--text-muted); transition: var(--transition); display: flex; justify-content: center; align-items: center;}
.login-close-btn:hover { background: var(--danger); color: #fff; border-color: var(--danger); transform: rotate(90deg);}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9375rem; margin-bottom: 1.5625rem; }
.form-field { display: flex; flex-direction: column; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.6875rem; color: var(--text-muted); font-weight: 700; margin-bottom: 0.375rem; padding-right: 0.3125rem; }
.form-field input, .form-field select, .form-field textarea { width: 100%; padding: 0.75rem 0.9375rem; font-size: 0.75rem; color: var(--text-main); background: var(--item-bg); border: 1px solid var(--border-color); border-radius: var(--radius-input); outline: none; transition: var(--transition); font-weight: 600; box-sizing: border-box;}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2); }

.section-label { font-size: 0.8125rem; font-weight: 800; color: var(--btn-text); margin: 1.25rem 0 0.9375rem 0; background: var(--primary); padding: 0.5rem 1.125rem; border-radius: var(--radius-pill); display: inline-block; box-shadow: var(--glow);}
.comm-prices-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.75rem; background: var(--item-bg); padding: 1.125rem; border-radius: var(--radius-card); border: 1px solid var(--border-color); }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9375rem; margin-bottom: 1.875rem; background: var(--item-bg); padding: 1.5625rem; border-radius: var(--radius-card); border: 1px solid var(--border-color);}
.detail-item { display: flex; flex-direction: column; gap: 0.375rem; background: var(--bg-main); padding: 0.875rem 1.125rem; border-radius: var(--radius-input); border: 1px solid var(--border-color); }
.detail-item.full { grid-column: 1 / -1; }
.detail-item b { font-size: 0.6875rem; color: var(--text-muted); font-weight: 800; }
.detail-item span { font-size: 0.875rem; font-weight: 800; color: var(--text-main); line-height: 1.5; }

.cash-discount-box { background: var(--item-bg); border: 1px dashed var(--primary); border-radius: var(--radius-card); padding: 0.9375rem 1.25rem; margin-bottom: 1.5625rem; display: flex; justify-content: space-around; align-items: center; box-shadow: var(--glow); transition: var(--transition);}
.cash-row { display: flex; flex-direction: column; align-items: center; gap: 0.3125rem;}
.cash-row span { font-size: 0.6875rem; color: var(--text-muted); font-weight: 700; text-transform: uppercase;}
.cash-row b { font-size: 0.9375rem; color: var(--text-main); font-weight: 800;}
.cash-row.highlight b { color: var(--danger); }
.cash-row.final b { color: var(--primary); font-size: 1.125rem; text-shadow: var(--glow);}

.unit-cat-tabs { display: flex; gap: 0.5rem; margin-bottom: 1.25rem; overflow-x: auto; background: var(--item-bg); padding: 0.375rem; border-radius: var(--radius-pill); border: 1px solid var(--border-color);}
.unit-cat-btn { background: transparent; border: none; font-size: 0.75rem; font-weight: 700; color: var(--text-muted); padding: 0.5rem 1.125rem; cursor: pointer; transition: var(--transition); border-radius: var(--radius-pill);}
.unit-cat-btn:hover { background: var(--card-bg); color: var(--text-main); }
.unit-cat-btn.active { background: var(--primary); color: var(--btn-text); box-shadow: var(--glow);}

.size-picker-container { display: flex; flex-wrap: wrap; gap: 0.625rem; margin-bottom: 1.5625rem; }
.size-chip { padding: 0.75rem 1.125rem; background: var(--card-bg); border: 1px solid var(--border-color); cursor: pointer; font-weight: 700; font-size: 0.8125rem; color: var(--text-muted); transition: var(--transition); border-radius: var(--radius-input);}
.size-chip:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-0.125rem);}
.size-chip.active { background: var(--primary); color: var(--btn-text); border-color: var(--primary); box-shadow: var(--glow); }

.category-box { background: var(--card-bg); border-radius: var(--radius-card); border: 1px solid var(--border-color); overflow: hidden; box-shadow: var(--shadow-sm);}
.spec-table { width: 100%; border-collapse: collapse; text-align: right; }
.spec-table th { background: var(--item-bg); padding: 0.875rem 1rem; font-size: 0.6875rem; color: var(--text-muted); font-weight: 800; border-bottom: 1px solid var(--border-color); text-transform: uppercase; }
.spec-table td { padding: 0.875rem 1rem; border-bottom: 1px solid var(--border-color); font-size: 0.8125rem; font-weight: 700; color: var(--text-main); }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:hover td { background: var(--item-bg); }

.repeat-row, .plan-card { background: var(--item-bg); padding: 1.125rem; border-radius: var(--radius-card); border: 1px solid var(--border-color); margin-bottom: 0.9375rem; }
.plan-card-header, .bullet-top, .repeat-row { display: flex; gap: 0.625rem; align-items: center; flex-wrap: wrap; }
.repeat-row input, .repeat-row select, .plan-card-header input, .plan-card-header select, .bullet-top input, .bullet-top select { padding: 0.375rem 0.75rem; background: var(--card-bg); border: 1px solid var(--border-color); height: 2.75rem; border-radius: var(--radius-input); color: var(--text-main); font-size: 0.8125rem; outline: none; transition: var(--transition); box-sizing: border-box; font-weight: 600;}
.repeat-row input:focus, .repeat-row select:focus, .plan-card-header input:focus, .plan-card-header select:focus, .bullet-top input:focus, .bullet-top select:focus { border-color: var(--primary); }
.row-del { background: var(--card-bg); color: var(--text-muted); border: 1px solid var(--border-color); width: 2.125rem; height: 2.125rem; border-radius: 50%; cursor: pointer; font-size: 0.875rem; transition: var(--transition); display: flex; align-items: center; justify-content: center;}
.row-del:hover { border-color: var(--danger); color: var(--danger); background: #222; box-shadow: 0 0 0.625rem rgba(239,68,68,0.3);}

.bullets-container { background: var(--bg-main); padding: 0.9375rem; border-radius: var(--radius-card); margin-top:0.625rem; border: 1px dashed var(--border-color);}
.bullet-row { padding: 0.75rem; background: var(--item-bg); margin-bottom: 0.625rem; border-radius: var(--radius-input); border: 1px solid var(--border-color); }
.year-pill { background: var(--card-bg); border: 1px solid var(--border-color); padding: 0.375rem 1rem; font-size: 0.75rem; font-weight: 700; cursor: pointer; color: var(--text-muted); transition: var(--transition); border-radius: var(--radius-pill); user-select: none; display: inline-flex; align-items: center; justify-content: center;}
.year-pill.selected { background: var(--primary); color: var(--btn-text); border-color: var(--primary); box-shadow: var(--glow);}

.calc-result { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9375rem; margin-top: 1.25rem; background: var(--item-bg); padding: 1.25rem; border-radius: var(--radius-card); border: 1px solid var(--border-color); }
.calc-item { display: flex; flex-direction: column; gap: 0.3125rem; text-align: center;}
.calc-item span { font-size: 0.75rem; color: var(--text-muted); font-weight: 700; }
.calc-item b { font-size: 1rem; color: var(--text-main); font-weight: 800; }
.calc-highlight { grid-column: 1 / -1; background: var(--bg-main); padding: 0.9375rem; border-radius: var(--radius-input); text-align: center; border: 1px dashed var(--primary); display: flex; flex-direction: column; gap: 0.3125rem; }
.calc-highlight span { font-size: 0.8125rem; font-weight: 700; color: var(--text-muted); }
.calc-highlight b { font-size: 1.375rem; color: var(--primary); font-weight: 800; text-shadow: var(--glow); }

.toast { position: fixed; bottom: -6.25rem; left: 50%; transform: translateX(-50%); background: var(--primary); color: var(--btn-text); padding: 0.75rem 1.875rem; border-radius: var(--radius-pill); font-weight: 800; box-shadow: var(--glow); transition: bottom 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); z-index: 9999; font-size: 0.8125rem;}
.toast.show { bottom: 1.875rem; }
#loadingOverlay { position:fixed; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.85); z-index:9999; flex-direction:column; justify-content:center; align-items:center; }
.loader { border: 3px solid rgba(220, 38, 38, 0.2); border-top: 3px solid var(--primary); border-radius: 50%; width: 2.5rem; height: 2.5rem; animation: spin 1s linear infinite; margin-bottom:0.9375rem; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.magic-paste-box { background: var(--item-bg); padding: 1.125rem; border-radius: var(--radius-card); border: 1px dashed var(--primary); margin-bottom: 1.5625rem; box-shadow: var(--glow);}
.magic-paste-box label { color: var(--primary); font-weight: 800; font-size: 0.8125rem; margin-bottom: 0.625rem; display: block;}
.magic-paste-box textarea { width: 100%; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-input); color: var(--text-main); padding: 0.75rem; font-size: 0.75rem; outline: none; transition: var(--transition); resize: vertical; margin-bottom: 0.75rem;}
.magic-paste-box textarea:focus { border-color: var(--primary); }

@media (max-width: 900px) {
    .app { flex-direction: column; overflow-y: auto; height: auto; gap: 0.9375rem;}
    .form-grid, .comm-prices-grid, .detail-grid, .calc-result { grid-template-columns: 1fr; }
    .sidebar, .main { display: contents; }
    .topbar, .search-master-container, .project-type-nav, .location-container, .brand, .auth-badge, .side-actions, .admin-stats-board { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-card); padding: 0.9375rem; width: 100%; margin: 0; }
    .topbar { order: 1; flex-direction: column; align-items: flex-start; gap: 0.625rem;}
    .admin-stats-board { order: 2; flex-direction: row; flex-wrap: wrap; }
    .search-master-container { order: 3; padding: 0.75rem;}
    .project-type-nav { order: 4; justify-content: center;}
    .location-container { order: 5; padding: 0.625rem !important;}
    .grid { order: 6; background: transparent; border: none; padding: 0; margin-top: 0.625rem;}
    .side-actions { order: 7; }
    .auth-badge { order: 8; }
    .brand { order: 9; margin-bottom: 1.25rem;}
    .desktop-only { display: none !important; }
    .btn-loc-toggle-mobile { display: flex; width: 100%; justify-content: center; align-items: center; gap: 0.5rem; background: var(--card-bg); border: 1px solid var(--border-color); color: var(--text-main); padding: 0.75rem; border-radius: var(--radius-pill); font-size: 0.875rem; font-weight: 700; cursor: pointer; transition: var(--transition); }
    .btn-loc-toggle-mobile.active { background: var(--primary); color: var(--btn-text); border-color: var(--primary); box-shadow: var(--glow); }
    .loc-wrapper-mobile { display: none; margin-top: 0.9375rem; }
    .loc-wrapper-mobile.show { display: block; }
    .filters-row { flex-direction: column; width: 100%; align-items: stretch; }
    .filter-dropdown-wrapper { width: 100%; }
    .btn-search-action { width: 100%; margin-top: 0.3125rem; }
    .btn-clear-filters { width: 100%; border-radius: var(--radius-pill); height: 2.75rem; margin-top: 0.3125rem;}
    .filter-dropdown-menu { width: 100%; right: 0; left: 0;}
    .site-bar-links { display: none; }
}