@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
    /* Sentri Color Palette */
    --bg-main: #1f1633; /* Ink Deep - Dark Canvas */
    --bg-card: #150f23; /* Midnight Violet - Night */
    --bg-sidebar: #150f23;
    --border-color: #362d59; /* Hairline Violet */
    --border-hover: #422082; /* Deep Violet */
    
    --color-primary: #ffffff; /* Primary action on dark canvas is inverted (white) */
    --color-primary-text: #1f1633; /* Text on inverted button */
    
    --color-secondary: #79628c; /* Mid Violet */
    --color-accent: #c2ef4e; /* Electric Lime */
    
    --color-warning: #f59e0b;
    --color-danger: #fa7faa; /* Hot Pink */
    
    --text-main: #ffffff; /* On Primary */
    --text-muted: rgba(255, 255, 255, 0.72); /* On Dark Muted */
    --text-light: rgba(255, 255, 255, 0.5);
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: none; /* Sentri design relies on textures/borders, no drop shadows on dark */
    --shadow-glow: none;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Rubik', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    line-height: 1.5; /* Functional UI density */
}

a {
    color: inherit;
    text-decoration: none;
}

/* App Layout */
.app-container {
    display: flex;
    width: 100vw;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 30px 20px;
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding-left: 10px;
}

.brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.brand-name {
    font-weight: 700;
    font-size: 18px;
    font-family: 'Space Grotesk', sans-serif;
    color: #fff;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    list-style: none;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 16px;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
}

.nav-item.active a, .nav-item a:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.04);
}

.nav-item.active a {
    background-color: rgba(255, 255, 255, 0.06);
    border-left: 3px solid var(--color-accent);
    padding-left: 13px;
    color: #fff;
}

/* Main Content Area */
.main-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    max-height: 100vh;
}

.top-bar {
    height: 70px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    background-color: var(--bg-main);
    position: sticky;
    top: 0;
    z-index: 100;
}

.page-title {
    font-size: 24px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    letter-spacing: 0;
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.content-container {
    padding: 40px;
    flex-grow: 1;
}

/* Typography & General Classes */
h1, h2, h3, h4, h5 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    color: #fff;
    line-height: 1.25;
}

.text-gradient {
    color: var(--color-accent);
}

.subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-text);
    box-shadow: none;
}

.btn-primary:hover {
    background-color: #f0f0f0;
    transform: translateY(-1px);
    box-shadow: rgba(0,0,0,0.18) 0 0.5rem 1.5rem;
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.18);
    color: #fff;
    border-color: transparent;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.25);
    border-color: transparent;
}

.btn-danger {
    background-color: var(--color-danger);
    color: #fff;
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

/* Cards & Glassmorphism */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: none;
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: none;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

/* Stats Layout */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 35px;
}

.stat-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.primary {
    background-color: var(--color-primary-glow);
    color: var(--color-primary);
}

.stat-icon.accent {
    background-color: var(--color-accent-glow);
    color: var(--color-accent);
}

.stat-icon.warning {
    background-color: var(--color-warning-glow);
    color: var(--color-warning);
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    margin-top: 2px;
    color: #fff;
}

/* Table Design */
.table-wrapper {
    overflow-x: auto;
    margin-top: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    padding: 14px 20px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 18px 20px;
    font-size: 14px;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

tr:hover td {
    background-color: rgba(255, 255, 255, 0.015);
}

tr:last-child td {
    border-bottom: none;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 600;
    font-family: 'Rubik', sans-serif;
    border-radius: 4px;
}

.badge-primary {
    background-color: var(--bg-card);
    color: #fff;
    border: 1px solid var(--border-color);
}

.badge-success {
    background-color: var(--color-accent);
    color: var(--color-primary-text);
}

.badge-warning {
    background-color: var(--color-warning-glow);
    color: #fbbf24;
}

.badge-danger {
    background-color: var(--color-danger-glow);
    color: #f87171;
}

/* Form Styling */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: #fff;
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: rgba(59,130,246,0.5);
    box-shadow: rgba(59,130,246,0.5) 0 0 0 2px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

/* Double Grid & Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    align-items: start;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Flash Messages */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    font-size: 14px;
    animation: slideIn 0.3s ease;
}

.alert-success {
    background-color: var(--color-accent-glow);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.alert-danger {
    background-color: var(--color-danger-glow);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.alert-close {
    cursor: pointer;
    font-size: 18px;
    opacity: 0.7;
}

.alert-close:hover {
    opacity: 1;
}

/* Evaluation Grid (Matrix) */
.matrix-grid {
    width: 100%;
    margin-top: 20px;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.matrix-header-cell {
    background-color: rgba(255, 255, 255, 0.02);
    text-align: center;
    font-weight: 600;
}

.matrix-cell {
    text-align: center;
    vertical-align: middle;
    height: 90px;
}

.matrix-cell-empty {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-light);
    font-style: italic;
}

.matrix-cell-self {
    background: repeating-linear-gradient(
        45deg,
        rgba(0, 0, 0, 0.2),
        rgba(0, 0, 0, 0.2) 10px,
        rgba(255, 255, 255, 0.02) 10px,
        rgba(255, 255, 255, 0.02) 20px
    );
    color: var(--text-light);
}

/* Settings Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.tab-btn:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
    color: #fff;
    background-color: var(--color-primary-glow);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Evaluation Form Metric Row */
.metric-row {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    align-items: center;
}

.metric-info h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.metric-info p {
    font-size: 13px;
    color: var(--text-muted);
}

.metric-input-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
}

.metric-slider {
    flex-grow: 1;
    -webkit-appearance: none;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

.metric-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
    transition: var(--transition);
}

.metric-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.metric-score-display {
    width: 80px;
    text-align: right;
    font-weight: 700;
    font-size: 16px;
}

.metric-score-input {
    width: 70px;
    text-align: center;
    padding: 6px;
}

/* Evaluation Detail Report Card */
.score-summary-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border-radius: var(--radius-lg);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    text-align: center;
}

.score-summary-title {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.score-summary-value {
    font-size: 64px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--color-accent);
    margin: 10px 0;
    line-height: 1;
}

.formula-card {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-top: 24px;
}

.formula-step {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.formula-step:last-child {
    border-bottom: none;
    font-weight: 700;
    color: #fff;
}

/* Dashboard Leaderboard Card */
.leaderboard-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.02);
    margin-bottom: 12px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.leaderboard-row:hover {
    background-color: rgba(255, 255, 255, 0.04);
    border-color: var(--border-color);
}

.leaderboard-founder {
    display: flex;
    align-items: center;
    gap: 16px;
}

.leaderboard-rank {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.leaderboard-rank.rank-1 {
    background-color: var(--color-accent);
    color: var(--color-primary-text);
}

.leaderboard-rank.rank-2 {
    background-color: var(--color-secondary);
    color: #fff;
}

.leaderboard-rank.rank-3 {
    background-color: var(--border-color);
    color: #fff;
}

.leaderboard-score {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    body {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
    }
    .brand {
        margin-bottom: 20px;
    }
    .grid-2 {
        grid-template-columns: 1fr;
    }
    .top-bar {
        padding: 0 20px;
    }
    .content-container {
        padding: 20px;
    }
}