/* Theme Stylesheet - Light & Dark Modes */

:root, :root[data-theme="light"] {
    --bg-body: #f8fafc;
    --bg-gradient-1: rgba(99, 102, 241, 0.08);
    --bg-gradient-2: rgba(6, 182, 212, 0.08);
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --navbar-border: #e2e8f0;
    --panel-bg: #ffffff;
    --panel-border: #e2e8f0;
    --panel-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --accent-cyan: #0284c7;
    --accent-purple: #8b5cf6;
    --card-inner-bg: #f1f5f9;
    --card-inner-border: #cbd5e1;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --input-color: #0f172a;
    --grid-bg: #ffffff;
    --grid-header-bg: #f1f5f9;
    --grid-header-color: #1e293b;
    --grid-border: #e2e8f0;
    --stat-val-color: #0f172a;
    --btn-theme-bg: #f1f5f9;
    --btn-theme-border: #cbd5e1;
    --btn-theme-text: #334155;
    --btn-theme-hover: #e2e8f0;
    --btn-nav-bg: #f1f5f9;
    --btn-nav-border: #cbd5e1;
    --btn-nav-text: #1e293b;
    --badge-bg: rgba(99, 102, 241, 0.1);
    --badge-text: #4f46e5;
    --badge-border: rgba(99, 102, 241, 0.25);
    --footer-bg: #ffffff;
    --footer-border: #e2e8f0;
    --clock-time-gradient: linear-gradient(135deg, #1e293b, #0284c7);
}

:root[data-theme="dark"] {
    --bg-body: #0b0f19;
    --bg-gradient-1: rgba(99, 102, 241, 0.12);
    --bg-gradient-2: rgba(6, 182, 212, 0.12);
    --navbar-bg: rgba(15, 23, 42, 0.9);
    --navbar-border: rgba(255, 255, 255, 0.08);
    --panel-bg: rgba(21, 30, 49, 0.85);
    --panel-border: rgba(255, 255, 255, 0.08);
    --panel-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    --card-inner-bg: rgba(15, 23, 42, 0.6);
    --card-inner-border: rgba(99, 102, 241, 0.4);
    --input-bg: rgba(0, 0, 0, 0.4);
    --input-border: rgba(255, 255, 255, 0.15);
    --input-color: #06b6d4;
    --grid-bg: rgba(15, 23, 42, 0.6);
    --grid-header-bg: rgba(30, 41, 59, 0.9);
    --grid-header-color: #cbd5e1;
    --grid-border: rgba(255, 255, 255, 0.1);
    --stat-val-color: #ffffff;
    --btn-theme-bg: rgba(255, 255, 255, 0.1);
    --btn-theme-border: rgba(255, 255, 255, 0.2);
    --btn-theme-text: #f8fafc;
    --btn-theme-hover: rgba(255, 255, 255, 0.2);
    --btn-nav-bg: rgba(255, 255, 255, 0.08);
    --btn-nav-border: rgba(255, 255, 255, 0.15);
    --btn-nav-text: #f8fafc;
    --badge-bg: rgba(99, 102, 241, 0.2);
    --badge-text: #a5b4fc;
    --badge-border: rgba(99, 102, 241, 0.3);
    --footer-bg: rgba(15, 23, 42, 0.8);
    --footer-border: rgba(255, 255, 255, 0.08);
    --clock-time-gradient: linear-gradient(135deg, #ffffff, #06b6d4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: 
        radial-gradient(circle at 15% 15%, var(--bg-gradient-1) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, var(--bg-gradient-2) 0%, transparent 40%);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Theme Toggle Button */
.btn-theme-toggle {
    background: var(--btn-theme-bg);
    border: 1px solid var(--btn-theme-border);
    color: var(--btn-theme-text);
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-theme-toggle:hover {
    background: var(--btn-theme-hover);
    transform: translateY(-1px);
}

.btn-theme-toggle svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
}

/* Navbar Theme Styling */
.navbar {
    background: var(--navbar-bg);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--navbar-border);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.nav-brand { display: flex; align-items: center; gap: 14px; }
.nav-logo {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}
.nav-logo svg { width: 24px; height: 24px; fill: #ffffff; }

.nav-title { font-family: 'Outfit', sans-serif; font-size: 20px; font-weight: 700; color: var(--text-main); }
.nav-badge {
    background: var(--badge-bg);
    color: var(--badge-text);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid var(--badge-border);
}

.nav-actions { display: flex; align-items: center; gap: 12px; }

.btn-nav-link {
    background: var(--btn-nav-bg);
    border: 1px solid var(--btn-nav-border);
    color: var(--btn-nav-text);
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-nav-link:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-logout {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
:root[data-theme="dark"] .btn-logout { color: #fca5a5; }
.btn-logout:hover { background: rgba(239, 68, 68, 0.3); color: #ffffff; }

/* Dashboard & Cards */
.container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 32px 24px;
    width: 100%;
    flex: 1;
}

.dashboard-banner {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 28px 32px;
    margin-bottom: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(12px);
    box-shadow: var(--panel-shadow);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.banner-text h2 { font-family: 'Outfit', sans-serif; font-size: 24px; font-weight: 700; margin-bottom: 6px; color: var(--text-main); }
.banner-text p { font-size: 14px; color: var(--text-muted); }

.clock-widget { text-align: right; }
.clock-time {
    font-family: 'Outfit', sans-serif;
    font-size: 38px;
    font-weight: 800;
    background: var(--clock-time-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.clock-date { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

.panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(12px);
    box-shadow: var(--panel-shadow);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--panel-border);
}

.panel-title { font-family: 'Outfit', sans-serif; font-size: 18px; font-weight: 700; color: var(--text-main); display: flex; align-items: center; gap: 10px; }

.rfid-box {
    background: var(--card-inner-bg);
    border: 1px dashed var(--card-inner-border);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.rfid-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; margin-bottom: 8px; display: block; font-weight: 600; }

.rfid-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    padding: 12px 14px;
    color: var(--input-color);
    font-weight: 700;
    font-family: monospace;
    font-size: 16px;
    outline: none;
    text-align: center;
    transition: all 0.2s ease;
}

.rfid-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.stat-card {
    background: var(--card-inner-bg);
    border: 1px solid var(--panel-border);
    border-radius: 14px;
    padding: 16px;
}
.stat-val { font-family: 'Outfit', sans-serif; font-size: 26px; font-weight: 700; color: var(--stat-val-color); }
.stat-desc { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Kendo UI Overrides for Theme */
.k-grid {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--grid-border) !important;
    background: var(--grid-bg) !important;
}

.k-grid-header th.k-header {
    background: var(--grid-header-bg) !important;
    color: var(--grid-header-color) !important;
    font-weight: 700 !important;
    border-color: var(--grid-border) !important;
}

.k-grid td {
    color: var(--text-main) !important;
    border-color: var(--grid-border) !important;
}

.footer {
    text-align: center;
    padding: 24px;
    border-top: 1px solid var(--footer-border);
    font-size: 13px;
    color: var(--text-muted);
    background: var(--footer-bg);
    margin-top: auto;
    transition: background 0.3s ease;
}
.footer a { color: var(--accent-cyan); text-decoration: none; font-weight: 600; }