:root {
    --bg-page: #f8fafc;
    --text-primary: #0f172a;
    --text-muted: #64748b;
    
    --primary-color: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    
    --success-green: #10b981;
    --danger-red: #ef4444;
    
    --card-bg: rgba(255, 255, 255, 0.85);
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    
    --bg-table-header: #f1f5f9;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

body {
    font-family: var(--font-stack);
    margin: 0;
    padding: 0;
    color: var(--text-primary);
    background-color: var(--bg-page);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Unique Animated Aurora Background */
body::before, body::after {
    content: '';
    position: fixed;
    width: 60vw;
    height: 60vh;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    animation: floatOrb 25s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.15;
    pointer-events: none;
}

body::before {
    background: var(--accent-purple);
    top: -20vh;
    left: -10vw;
}

body::after {
    background: var(--accent-pink);
    bottom: -20vh;
    right: -10vw;
    animation-delay: -12.5s;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30vw, 20vh) scale(1.4); }
}

.app-ribbon {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 28px;
    min-height: 72px;
    padding: 10px 28px;
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
    box-sizing: border-box;
}

.app-ribbon-brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.header-logo {
    height: 48px;
    width: auto;
    display: block;
    object-fit: contain;
}

.app-ribbon-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.app-ribbon-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 7px 12px;
    border-radius: 8px;
    color: #1f2937;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.app-ribbon-nav a:hover {
    background-color: #eef2ff;
    color: #2563eb;
}

@media (max-width: 720px) {
    .app-ribbon {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
        padding: 12px 18px;
    }

    .header-logo {
        height: 42px;
    }

    .app-ribbon-nav {
        gap: 4px;
    }
}

main {
    padding: 0 40px 60px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Global inputs and selects */
input[type="text"], input[type="email"], select, .admin-form-control, .users-mapping-input {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-family: var(--font-stack);
    transition: all 0.3s ease;
    color: var(--text-primary);
    background-color: #fff;
    box-sizing: border-box;
}

input:focus, select:focus, .admin-form-control:focus, .users-mapping-input:focus {
    outline: none;
    border-color: var(--border-hover);
    box-shadow: 0 0 0 1px var(--border-hover);
}

select option {
    background: #ffffff;
    color: var(--text-primary);
}

/* Global button styles */
button, .home-btn, .report-button, .users-save-button, .admin-btn {
    font-family: var(--font-stack);
    transition: all 0.2s ease;
}

/* Home & Users Page Styles */
.home-page, .users-page {
    padding: 40px 0;
}

.home-hero, .users-header {
    text-align: center;
    margin-bottom: 60px;
}

.home-hero h1, .users-header h1 {
    font-size: 48px;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -1px;
}

.home-hero h2 {
    font-size: 24px;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 24px;
}

.home-hero p, .users-header p {
    color: var(--text-muted);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.home-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
}

.home-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 12px;
    padding: 40px 30px;
    width: 260px;
    text-align: center;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.home-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.home-card h3 {
    margin-top: 0;
    color: var(--text-primary);
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.home-card p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 32px;
    flex-grow: 1;
    line-height: 1.6;
}

.home-btn, .users-save-button, .apply-btn, .admin-btn-primary {
    display: inline-block;
    padding: 12px 24px;
    background: var(--text-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    border: 1px solid var(--text-primary);
    cursor: pointer;
}

.home-btn:hover, .users-save-button:hover, .apply-btn:hover, .admin-btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
}

/* Admin Dashboard Styles */
.admin-page {
    padding: 0;
}

.admin-header {
    margin-bottom: 40px;
}

.admin-header h1 {
    font-size: 36px;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.admin-header p {
    color: var(--text-muted);
    font-size: 16px;
    margin: 0;
}

.admin-filter-bar, .report-filter-bar, .report-selector {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 32px;
    align-items: flex-end;
}

.admin-filter-group, .filter-group {
    display: flex;
    flex-direction: column;
    min-width: 180px;
}

.admin-filter-group label, .filter-group label {
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.admin-filter-actions, .filter-actions {
    display: flex;
    gap: 12px;
}

.admin-tabs {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
}

.admin-tab {
    padding: 12px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: -1px;
    transition: all 0.3s ease;
}

.admin-tab:hover {
    color: var(--text-primary);
}

.admin-tab.active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--text-primary);
}

.table-responsive, .report-table-container {
    overflow-x: auto;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.admin-table, .report-table, .users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.admin-table th, .report-table th, .users-table th {
    background: var(--bg-table-header);
    font-weight: 500;
    color: var(--text-muted);
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.admin-table td, .report-table td, .users-table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
    transition: background 0.2s ease;
}

.admin-table tbody tr:hover td, .report-table tbody tr:hover td, .users-table tbody tr:hover td {
    background-color: rgba(0, 0, 0, 0.03);
}

.admin-table tbody tr:last-child td, .report-table tbody tr:last-child td, .users-table tbody tr:last-child td {
    border-bottom: none;
}

.admin-badge {
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
    letter-spacing: 0.5px;
}

.admin-badge.running { 
    background: rgba(23, 201, 100, 0.15); 
    color: var(--success-green); 
    border: 1px solid rgba(23, 201, 100, 0.3);
}
.admin-badge.stopped { 
    background: rgba(0, 0, 0, 0.05); 
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.admin-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    background: transparent;
    color: var(--text-primary);
    font-size: 13px;
}

.admin-btn:hover {
    border-color: var(--text-primary);
    background: rgba(0,0,0,0.05);
}

.admin-btn-danger { 
    background: var(--danger-red); 
    color: #fff;
    border-color: var(--danger-red);
}
.admin-btn-danger:hover {
    background: transparent;
    color: var(--danger-red);
}

.admin-btn-sm { 
    font-size: 12px; 
    padding: 6px 12px; 
}

/* Modals */
.admin-modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.admin-modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border-hover);
    padding: 32px;
    border-radius: 12px;
    width: 440px;
    max-width: 90%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    0% { transform: scale(0.95); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.admin-modal-content h3 {
    margin-top: 0;
    margin-bottom: 24px;
    font-size: 20px;
    color: var(--text-primary);
    font-weight: 600;
}

.admin-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 32px;
}

/* Reports Page Specifics */
.report-page {
    padding: 0;
}

.report-filter-bar form {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: flex-end;
}

.report-selector {
    justify-content: space-between;
}

.report-button {
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
}

.clear-btn { 
    background: transparent; 
    color: var(--text-primary); 
    border-color: var(--border-color); 
}
.clear-btn:hover { 
    border-color: var(--text-primary);
}

.export-excel { 
    background: var(--success-green);
    color: #fff; 
}
.export-excel:hover { 
    background: transparent;
    color: var(--success-green);
    border-color: var(--success-green);
}

.export-csv { 
    background: var(--primary-color);
    color: #fff; 
}
.export-csv:hover { 
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.report-empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
    font-size: 16px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* Users Page */
.users-message {
    margin-bottom: 32px;
    font-size: 14px;
    font-weight: 500;
    padding: 16px 20px;
    border-radius: 6px;
    background: rgba(23, 201, 100, 0.1);
    color: var(--success-green);
    border: 1px solid rgba(23, 201, 100, 0.2);
}

/* Popup Window Tracker Styles (Ultra-Minimal Vercel/Linear Dark Theme) */
.timer-window-body {
    margin: 0;
    padding: 0;
    width: 100vw;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-page);
    overflow: hidden;
    font-family: var(--font-stack);
}

.tracker-window-card {
    width: 340px;
    background: var(--card-bg);
    color: var(--text-primary);
    border-radius: 12px;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.1), 0 20px 40px rgba(0,0,0,0.1);
    overflow: hidden;
    position: relative;
}

/* Subtle glowing border top for the timer card */
.tracker-window-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
    opacity: 0.15;
}

.tracker-header {
    height: 50px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-sizing: border-box;
    border-bottom: 1px solid var(--border-color);
}

.tracker-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.tracker-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: color 0.2s ease;
}

.tracker-close:hover {
    color: var(--text-primary);
}

.tracker-body {
    padding: 24px 20px;
    box-sizing: border-box;
}

.tracker-field {
    margin-bottom: 20px;
}

.tracker-field label {
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tracker-control {
    width: 100%;
    height: 40px;
    padding: 8px 12px;
    box-sizing: border-box;
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s ease;
    font-family: var(--font-stack);
}

.tracker-control:focus {
    outline: none;
    border-color: rgba(0,0,0,0.3);
}

.timer-label {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 24px;
    margin-bottom: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.tracker-timer-display {
    text-align: center;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;
    font-size: 48px;
    line-height: 1;
    font-weight: 300;
    color: var(--text-primary);
    margin: 8px 0 32px 0;
    letter-spacing: -1px;
}

.tracker-message {
    min-height: 20px;
    font-size: 13px;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-muted);
    font-weight: 500;
}

.tracker-message.success {
    color: var(--success-green);
}

.tracker-message.error {
    color: var(--danger-red);
}

.tracker-actions {
    display: flex;
    gap: 12px;
}

.tracker-btn {
    flex: 1;
    height: 40px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-stack);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tracker-btn-start {
    background: var(--text-primary);
    color: #fff;
}

.tracker-btn-start:hover:not(:disabled) {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.tracker-btn-stop {
    background: transparent;
    color: var(--danger-red);
    border-color: rgba(242, 19, 97, 0.3);
}

.tracker-btn-stop:hover:not(:disabled) {
    border-color: var(--danger-red);
}

.tracker-btn:disabled {
    background: transparent;
    color: #6b7280;
    border-color: #cbd5e1;
    cursor: not-allowed;
}

/* Auth Pages Styling */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 150px);
}

.auth-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    box-sizing: border-box;
}

.auth-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-align: center;
    letter-spacing: -0.5px;
    margin-top: 0;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 32px;
    line-height: 1.5;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.auth-input {
    width: 100%;
    height: 44px;
}

.auth-button {
    width: 100%;
    padding: 12px;
    background: var(--text-primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.auth-button:hover {
    background: var(--primary-color);
}

.auth-link {
    display: block;
    text-align: center;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    margin-top: 24px;
    transition: color 0.2s ease;
}

.auth-link:hover {
    color: var(--text-primary);
}

.auth-message {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    text-align: center;
}

.auth-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.auth-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}