/* --- 0. GLOBAL RESET --- */
*, *::before, *::after {
    box-sizing: border-box;
}

/* --- 1. BRAND VARIABLES --- */
:root {
    --primary-color: #f97316; /* Accent Orange */
    --primary-hover: #fb923c; 
    --dark-bg: #0f172a;      /* Main Background */
    --medium-bg: #1e293b;    /* Card Background */
    --light-color: #f8fafc;  /* Text */
    --medium-text: #94a3b8;  /* Muted Text */
    --border-color: #334155;
    --font-family: 'Poppins', sans-serif;
}

/* --- 2. BASE STYLES --- */
body {
    background-color: var(--dark-bg);
    font-family: var(--font-family);
    color: var(--light-color);
    margin: 0;
    line-height: 1.6;
}
a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; padding: 0; margin: 0; }

/* --- 3. LOGIN PAGE --- */
body.login-page {
    display: flex; align-items: center; justify-content: center; min-height: 100vh;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1e293b 100%);
}
.login-card {
    background: var(--medium-bg); padding: 40px; border-radius: 12px;
    border: 1px solid var(--border-color); width: 100%; max-width: 400px; text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.login-logo { font-size: 24px; font-weight: 900; color: var(--light-color); display: block; margin-bottom: 10px; }
.login-subtitle { color: var(--medium-text); margin-bottom: 30px; font-size: 14px; }
.firebaseui-container { background-color: transparent; box-shadow: none; }
.firebaseui-title { color: var(--light-color); }

/* --- 4. DASHBOARD LAYOUT & SIDEBAR --- */
body.dashboard-page { display: flex; height: 100vh; overflow: hidden; }

.sidebar {
    width: 260px; background: var(--medium-bg); height: 100%; padding: 20px;
    border-right: 1px solid var(--border-color); display: flex; flex-direction: column; flex-shrink: 0;
    transition: width 0.3s ease; overflow: hidden; position: fixed; left: 0; top: 0; bottom: 0; z-index: 50;
}
.sidebar.collapsed { width: 80px; }
.sidebar.collapsed .sidebar-brand, .sidebar.collapsed .link-text { opacity: 0; pointer-events: none; display: none; }
.sidebar.collapsed .nav-link { text-align: center; padding: 12px; }
.sidebar-brand { color: var(--light-color); font-size: 20px; font-weight: 700; margin-bottom: 40px; padding-left: 10px; }

.nav-link { display: block; padding: 12px 15px; color: var(--medium-text); border-radius: 6px; margin-bottom: 5px; font-size: 15px; }
.nav-link:hover, .nav-link.active { background: rgba(255,255,255,0.05); color: var(--light-color); }
.nav-link.active { color: var(--primary-color); font-weight: 600; background: rgba(249, 115, 22, 0.1); }

.toggle-btn {
    background: transparent; border: 1px solid var(--border-color); color: var(--medium-text);
    font-size: 20px; cursor: pointer; margin-bottom: 20px; align-self: flex-end;
    padding: 5px 12px; border-radius: 6px; transition: all 0.2s;
}
.toggle-btn:hover { color: var(--primary-color); border-color: var(--primary-color); background: rgba(255,255,255,0.05); }

.main-content { flex-grow: 1; padding: 40px; overflow-y: auto; background-color: var(--dark-bg); transition: margin-left 0.3s ease; margin-left: 260px; }
.main-content.expanded { margin-left: 80px; }

.dashboard-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color); }
.page-title { font-size: 32px; font-weight: 700; margin: 0; }
.header-actions { display: flex; align-items: center; gap: 15px; }
.btn-refresh { background: transparent; border: 1px solid var(--border-color); color: var(--medium-text); padding: 8px 12px; border-radius: 6px; cursor: pointer; font-size: 14px; transition: all 0.2s; }
.btn-refresh:hover { border-color: var(--primary-color); color: var(--light-color); }
.user-profile { font-size: 14px; color: var(--medium-text); background: var(--medium-bg); padding: 8px 16px; border-radius: 20px; border: 1px solid var(--border-color); }

/* --- 5. DATA TABLES & BADGES --- */
.data-table { width: 100%; border-collapse: collapse; background: var(--medium-bg); border-radius: 8px; overflow: hidden; }
.data-table th, .data-table td { padding: 15px; text-align: left; border-bottom: 1px solid var(--border-color); }
.data-table th { background: rgba(255,255,255,0.05); color: var(--medium-text); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.data-table tr:hover { background: rgba(255,255,255,0.02); }
.button-nav { display: inline-block; padding: 8px 20px; background-color: var(--primary-color); color: #fff; border-radius: 50px; font-weight: 600; border: none; cursor: pointer; transition: 0.3s; }
.button-nav:hover { background-color: var(--primary-hover); transform: translateY(-2px); }

/* Badges */
.badge { display: inline-block; padding: 4px 12px; border-radius: 12px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.badge.hot { background-color: rgba(220, 38, 38, 0.2); color: #f87171; border: 1px solid rgba(220, 38, 38, 0.5); }
.badge.warm { background-color: rgba(249, 115, 22, 0.2); color: #fb923c; border: 1px solid rgba(249, 115, 22, 0.5); }
.badge.cold { background-color: rgba(51, 65, 85, 0.5); color: #94a3b8; border: 1px solid #475569; }

/* --- 6. SLIDE-OVER PANEL & MODALS --- */
.slide-over-backdrop, .modal-backdrop { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(4px); z-index: 40; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.slide-over-backdrop.open, .modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal-backdrop { display: none; align-items: center; justify-content: center; z-index: 100; }
.modal-backdrop.open { display: flex; }

.slide-over-panel { position: fixed; top: 0; right: -600px; width: 550px; height: 100vh; background: var(--medium-bg); border-left: 1px solid var(--border-color); z-index: 50; display: flex; flex-direction: column; transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: -10px 0 50px rgba(0,0,0,0.5); }
.slide-over-panel.open { right: 0; }

.panel-header { padding: 20px 30px; border-bottom: 1px solid var(--border-color); background: var(--dark-bg); display: flex; justify-content: space-between; align-items: center; }
.panel-title h2 { font-size: 20px; margin: 0; color: var(--light-color); }
.panel-title span { font-size: 13px; color: var(--medium-text); display: block; margin-top: 4px; }
.close-btn, .modal-close { background: none; border: none; color: var(--medium-text); font-size: 24px; cursor: pointer; }
.close-btn:hover, .modal-close:hover { color: var(--primary-color); }
.panel-content { flex-grow: 1; overflow-y: auto; padding: 30px; }

.modal-card { background: var(--medium-bg); border: 1px solid var(--border-color); padding: 30px; border-radius: 12px; width: 100%; max-width: 500px; box-shadow: 0 20px 50px rgba(0,0,0,0.5); position: relative; }
.score-list { margin-top: 20px; list-style: none; padding: 0; }
.score-item { display: flex; align-items: center; gap: 15px; padding: 12px 0; border-bottom: 1px solid var(--border-color); }
.score-item:last-child { border-bottom: none; }
.score-desc { font-size: 14px; color: var(--medium-text); }

/* Timeline Styles */
.timeline-item { position: relative; padding-left: 30px; margin-bottom: 30px; border-left: 2px solid var(--border-color); }
.timeline-item:last-child { border-left: 2px solid transparent; }
.timeline-dot { position: absolute; left: -6px; top: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--primary-color); box-shadow: 0 0 0 4px var(--medium-bg); }
.timeline-date { font-size: 12px; color: var(--medium-text); margin-bottom: 4px; display: block; }
.timeline-card { background: rgba(255,255,255,0.03); padding: 15px; border-radius: 8px; border: 1px solid var(--border-color); }
.timeline-action { font-weight: 700; color: var(--light-color); margin-bottom: 5px; font-size: 16px; }
.timeline-details { font-size: 14px; color: var(--medium-text); }

/* --- 7. PROFILE PAGE STYLES --- */
.profile-header {
    background: var(--medium-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}
/* The Avatar Bubble */
.avatar-large {
    width: 80px; height: 80px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 32px; font-weight: 900;
    flex-shrink: 0;
}
.profile-info h1 { margin: 0 0 5px 0; font-size: 28px; }
.profile-info p { margin: 0; color: var(--medium-text); }

.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--medium-bg); padding: 25px; border-radius: 12px; border: 1px solid var(--border-color); }
.card h3 { font-size: 18px; margin-top: 0; border-bottom: 1px solid var(--border-color); padding-bottom: 10px; margin-bottom: 20px; color: var(--medium-text); }
.card.highlight { border: 1px solid var(--primary-color); background: rgba(249, 115, 22, 0.05); }
.data-row { display: flex; justify-content: space-between; margin-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 8px; }
.data-label { color: var(--medium-text); font-size: 14px; }
.data-value { font-weight: 600; text-align: right; word-break: break-word; overflow-wrap: anywhere; max-width: 60%; }
.back-btn { display: inline-block; margin-bottom: 20px; color: var(--medium-text); font-size: 14px; }
.back-btn:hover { color: var(--primary-color); }

/* Mobile */
@media (max-width: 768px) {
    .sidebar { width: 0; padding: 0; border: none; }
    .sidebar.open { width: 260px; padding: 20px; border-right: 1px solid var(--border-color); }
    .main-content { margin-left: 0 !important; }
    .toggle-btn { display: none; }
}