/* ===========================
   CSS Custom Properties
   =========================== */
:root {
    /* Color Palette */
    --color-primary: #8b5cf6;
    --color-primary-dark: #7c3aed;
    --color-primary-light: #a78bfa;
    --color-secondary: #ec4899;
    --color-accent: #f59e0b;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    /* Background Colors */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(26, 26, 46, 0.6);
    --bg-glass: rgba(139, 92, 246, 0.1);

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===========================
   Reset & Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundPulse 10s ease-in-out infinite;
}

@keyframes backgroundPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

/* ===========================
   Utility Classes
   =========================== */
.hidden {
    display: none !important;
}

.active {
    display: block;
}

/* ===========================
   Modal Styles
   =========================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn var(--transition-base);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(139, 92, 246, 0.2);
    position: relative;
    animation: slideUp var(--transition-base);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.modal-header h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.allocation-result-modal {
    max-width: 520px;
}

.allocation-result {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
}

.allocation-result-icon {
    font-size: 3.5rem;
}

.allocation-result-title {
    font-size: 1.4rem;
    font-weight: 700;
}

.allocation-result-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.allocation-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    color: var(--text-secondary);
}

.allocation-result-row strong {
    color: var(--text-primary);
    font-weight: 700;
}

.modal-actions {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

/* Login Modal */
.login-modal {
    max-width: 450px;
    text-align: center;
}

.login-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.login-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: left;
}

.login-form .form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.login-form .form-group input {
    background: var(--bg-tertiary);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: all var(--transition-fast);
}

.login-form .form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.login-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-error);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    text-align: center;
    display: none;
}

.login-error:not(:empty) {
    display: block;
}

.login-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.login-btn {
    background: var(--bg-tertiary);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left var(--transition-base);
    z-index: 0;
}

.login-btn:hover::before {
    left: 0;
}

.login-btn .icon,
.login-btn .text {
    position: relative;
    z-index: 1;
}

.login-btn .icon {
    font-size: 1.5rem;
}

.login-btn:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ===========================
   Header & Navigation
   =========================== */
.header {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header-content {
    max-width: 100%;
    margin: 0 auto;
    padding: var(--spacing-md) clamp(1rem, 3vw, var(--spacing-lg));
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon {
    font-size: 2rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-sm);
    flex: 1;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-btn .icon {
    font-size: 1.2rem;
}

.nav-btn:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: rgba(139, 92, 246, 0.6);
    color: #fff;
}

.nav-btn.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
    border-color: rgba(255, 255, 255, 0.4);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.user-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.logout-btn {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-error);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background: var(--color-error);
    color: white;
    border-color: var(--color-error);
}

/* ===========================
   Main Content
   =========================== */
.main-content {
    max-width: 100%;
    margin: 0 auto;
    padding: var(--spacing-xl) clamp(1rem, 3vw, var(--spacing-lg));
}

.view {
    display: none;
    animation: fadeIn var(--transition-base);
    width: 100%;
}

.view.active {
    display: block;
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.view-header h2 {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===========================
   Cards
   =========================== */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card-header h2,
.card-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.card-header .icon {
    font-size: 2rem;
}

/* ===========================
   Dashboard
   =========================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.points-card {
    grid-column: span 1;
    background: var(--gradient-primary);
    border: none;
    color: white;
}

.points-display {
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.points-value {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    animation: countUp 1s ease-out;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: scale(0.5);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.points-label {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}

.tier-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.tier-icon {
    font-size: 1.5rem;
}

.stats-card .stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat-icon {
    font-size: 3rem;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

.activity-card {
    grid-column: 1 / -1;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition-fast);
}

.activity-item:hover {
    background: rgba(139, 92, 246, 0.1);
    transform: translateX(5px);
}

.activity-info {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.activity-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.activity-points {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-success);
}

.activity-points.negative {
    color: var(--color-error);
}

.activity-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===========================
   Rewards Grid
   =========================== */
.filter-controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-select {
    background: var(--bg-tertiary);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-select:hover,
.filter-select:focus {
    border-color: var(--color-primary);
    outline: none;
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.reward-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.reward-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.reward-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--gradient-secondary);
}

.reward-content {
    padding: var(--spacing-md);
}

.reward-category {
    display: inline-block;
    background: rgba(139, 92, 246, 0.2);
    color: var(--color-primary-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.reward-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.reward-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.reward-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-rewards {
    margin-top: var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.admin-rewards-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.admin-rewards-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 420px;
    overflow-y: auto;
}

.admin-reward-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.admin-reward-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.admin-reward-actions {
    display: flex;
    gap: 0.5rem;
}

.reward-preview {
    background: var(--bg-tertiary);
    border: 1px dashed rgba(139, 92, 246, 0.4);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    text-align: center;
    margin-bottom: var(--spacing-md);
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.reward-preview img {
    max-width: 120px;
    max-height: 120px;
    border-radius: var(--radius-sm);
}

.reward-points {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-redeem {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-redeem:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.btn-redeem:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===========================
   Allocation Form
   =========================== */
.allocate-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.allocation-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-tertiary);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.char-count {
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.allocation-info {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.allocation-info.warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--color-warning);
}

.allocation-info.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-error);
}

.allocation-info.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}

.allocation-mode {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.allocation-mode-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
}

.allocation-mode-option input {
    accent-color: var(--color-primary);
}

.group-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(139, 92, 246, 0.5);
    color: var(--text-primary);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-outline:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: rgba(139, 92, 246, 0.8);
}

.group-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    max-height: 220px;
    overflow-y: auto;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.group-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
}

.group-item:hover {
    background: rgba(139, 92, 246, 0.12);
    color: var(--text-primary);
}

.group-item input {
    accent-color: var(--color-primary);
}

/* Fixed Points Display */
.points-fixed {
    background: var(--bg-tertiary);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.points-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.points-note {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: var(--spacing-xs) 0 0 0;
}

/* SMART Values */
.smart-values {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.smart-option {
    cursor: pointer;
}

.smart-option input[type="radio"] {
    display: none;
}

.smart-card {
    background: var(--bg-tertiary);
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
}

.smart-option:hover .smart-card {
    border-color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
}

.smart-option input[type="radio"]:checked+.smart-card {
    border-color: var(--color-primary);
    background: var(--gradient-primary);
    color: white;
}

.smart-letter {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.smart-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.smart-desc {
    font-size: 0.85rem;
    opacity: 0.9;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Allocation History */
.allocation-filters {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.allocation-filters input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

.allocation-filters input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.allocation-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 500px;
    overflow-y: auto;
}

.allocation-item {
    background: var(--bg-tertiary);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
}

.allocation-item:hover {
    background: rgba(139, 92, 246, 0.1);
    transform: translateX(5px);
}

.allocation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.allocation-employee {
    font-weight: 700;
    font-size: 1.1rem;
}

.allocation-points {
    background: var(--gradient-success);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-weight: 700;
}

.allocation-reason {
    color: var(--text-secondary);
    margin: var(--spacing-xs) 0;
    font-size: 0.9rem;
}

.allocation-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.smart-badge {
    background: rgba(139, 92, 246, 0.2);
    color: var(--color-primary-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-weight: 600;
}

/* ===========================
   History
   =========================== */
.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.75rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition-fast);
}

.history-item:hover {
    background: rgba(139, 92, 246, 0.1);
    transform: translateX(5px);
}

.history-item.redeemed {
    border-left-color: var(--color-error);
}

.history-info {
    flex: 1;
}

.history-title {
    font-weight: 600;
    margin-bottom: 0.2rem;
    font-size: 0.95rem;
}

.history-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.history-points {
    font-size: 1.2rem;
    font-weight: 700;
}

.history-points.earned {
    color: var(--color-success);
}

.history-points.spent {
    color: var(--color-error);
}

.history-date {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* ===========================
   Empty State
   =========================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* ===========================
   Toast Notification
   =========================== */
.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(200%);
    transition: transform var(--transition-base);
    z-index: 2000;
    max-width: 400px;
}

.toast.show {
    transform: translateY(0);
}

.toast.success {
    border-color: var(--color-success);
    background: rgba(16, 185, 129, 0.1);
}

.toast.error {
    border-color: var(--color-error);
    background: rgba(239, 68, 68, 0.1);
}

.toast.warning {
    border-color: var(--color-warning);
    background: rgba(245, 158, 11, 0.1);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .allocate-container {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-xs);
        overflow-x: hidden;
        max-width: 100%;
    }

    .nav-btn {
        justify-content: center;
        flex-direction: column;
        gap: 0.25rem;
        padding: 0.5rem 0.25rem;
        font-size: 0.85rem;
        white-space: normal;
        text-align: center;
        min-width: 0;
    }

    .nav-btn .icon {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-menu {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--spacing-xs);
        overflow-x: hidden;
        max-width: 100%;
    }

    .nav-btn {
        justify-content: center;
        flex-direction: column;
        gap: 0.25rem;
        padding: 0.5rem 0.25rem;
        font-size: 0.8rem;
        white-space: normal;
        text-align: center;
        min-width: 0;
    }

    .nav-btn .icon {
        font-size: 1.1rem;
    }

    .user-info {
        width: 100%;
        justify-content: space-between;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .rewards-grid {
        grid-template-columns: 1fr;
    }

    .view-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .filter-controls {
        width: 100%;
    }

    .filter-select {
        flex: 1;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .points-value {
        font-size: 3rem;
    }

    .stat-value {
        font-size: 2rem;
    }

    .modal-content {
        padding: var(--spacing-lg);
    }

    .login-header h1 {
        font-size: 2rem;
    }
}

/* ===========================
   Scrollbar Styling
   =========================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}