/* ==========================================
   jangsAI - Premium Dark Theme
   ========================================== */

/* --- Design Tokens --- */
:root {
    /* Background */
    --bg-primary: #050a15;
    --bg-secondary: #0a1128;
    --bg-tertiary: #101d3a;
    --bg-surface: rgba(10, 17, 40, 0.7);
    --bg-surface-hover: rgba(16, 29, 58, 0.85);
    --bg-surface-active: rgba(20, 35, 70, 0.9);

    /* Accent */
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-dark: #4f46e5;
    --accent-2: #8b5cf6;
    --accent-3: #a855f7;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --accent-gradient-hover: linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #c084fc 100%);

    /* Text */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #475569;
    --text-accent: #a5b4fc;

    /* Semantic */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.12);

    /* Glass */
    --glass-bg: rgba(10, 17, 40, 0.65);
    --glass-border: rgba(99, 102, 241, 0.1);
    --glass-border-hover: rgba(99, 102, 241, 0.25);
    --glass-blur: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.12);
    --shadow-glow-strong: 0 0 50px rgba(99, 102, 241, 0.2);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s var(--ease);
    --transition: 0.3s var(--ease);
    --transition-slow: 0.5s var(--ease);

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


/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 90%, rgba(139, 92, 246, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(168, 85, 247, 0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

a {
    color: var(--accent-light);
    text-decoration: none;
}

::selection {
    background: rgba(99, 102, 241, 0.3);
    color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.4);
}


/* --- Loading Screen --- */
#loading-screen {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-logo {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -2px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.loader-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.loader-bar {
    width: 200px;
    height: 3px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.loader-bar-fill {
    width: 40%;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    animation: loaderSlide 1.2s ease-in-out infinite;
}

@keyframes loaderSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}


/* --- Toast Notifications --- */
#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(var(--glass-blur));
    color: var(--text-primary);
    font-size: 0.9rem;
    min-width: 280px;
    max-width: 420px;
    animation: toastIn 0.4s var(--ease);
    transition: var(--transition);
}

.toast.toast-out {
    animation: toastOut 0.3s var(--ease) forwards;
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast.success { border-color: rgba(16, 185, 129, 0.3); }
.toast.success .toast-icon { color: var(--success); }
.toast.error { border-color: rgba(239, 68, 68, 0.3); }
.toast.error .toast-icon { color: var(--error); }
.toast.warning { border-color: rgba(245, 158, 11, 0.3); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info { border-color: rgba(59, 130, 246, 0.3); }
.toast.info .toast-icon { color: var(--info); }

@keyframes toastIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes toastOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(120%); opacity: 0; }
}


/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 8000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: fadeIn 0.25s var(--ease);
}

.modal-overlay.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 520px;
    max-height: 85vh;
    overflow-y: auto;
    animation: modalIn 0.35s var(--ease);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px 0;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.modal-body {
    padding: 24px 28px 28px;
}

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

@keyframes modalIn {
    from { transform: scale(0.92) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}


/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
    position: relative;
    overflow: hidden;
}

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

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-gradient-hover);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.35);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-light);
    border-color: var(--glass-border);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(99, 102, 241, 0.18);
    border-color: var(--glass-border-hover);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border-color: rgba(239, 68, 68, 0.2);
}

.btn-danger:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 8px 12px;
}

.btn-ghost:hover:not(:disabled) {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
}

.btn .spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}


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

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
    background: rgba(255, 255, 255, 0.06);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input-file {
    padding: 10px;
    cursor: pointer;
}

.form-input-file::file-selector-button {
    padding: 6px 16px;
    margin-right: 12px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.form-input-file::file-selector-button:hover {
    background: var(--accent-gradient-hover);
}

select.form-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6l3.5 4 3.5-4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

select.form-input option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

textarea.form-input {
    resize: vertical;
    min-height: 80px;
}

.form-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.checkbox-label:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: var(--glass-border-hover);
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
}

.checkbox-label input[type="checkbox"]:checked + span {
    color: var(--text-primary);
}


/* --- Auth View --- */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    z-index: 1;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    overflow: hidden;
    animation: authCardIn 0.6s var(--ease);
}

@keyframes authCardIn {
    from { transform: translateY(30px) scale(0.96); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.auth-header {
    text-align: center;
    padding: 40px 36px 8px;
}

.auth-logo {
    font-size: 2.8rem;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 6px;
}

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

.auth-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-tabs {
    display: flex;
    margin: 24px 36px 0;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    padding: 4px;
    border: 1px solid var(--glass-border);
}

.auth-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.auth-tab.active {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.auth-tab:not(.active):hover {
    color: var(--text-secondary);
}

.auth-form {
    padding: 28px 36px 36px;
}

/* Phone Verification Auth Style */
.phone-row {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.phone-input {
    flex: 1;
}

.btn-send-code {
    padding: 12px 18px;
    background: linear-gradient(135deg, #e91e8c, #ff2d95);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(233, 30, 140, 0.3);
}

.btn-send-code:hover {
    background: linear-gradient(135deg, #ff2d95, #ff50a8);
    box-shadow: 0 6px 24px rgba(233, 30, 140, 0.4);
    transform: translateY(-1px);
}

.btn-send-code.sent {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
    cursor: default;
}

.code-input {
    transition: var(--transition);
}

.code-input:not(.active) {
    opacity: 0.4;
    background: rgba(255, 255, 255, 0.02);
}

.code-input.active {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
    animation: codeFieldPulse 0.5s var(--ease);
}

@keyframes codeFieldPulse {
    0% { box-shadow: 0 0 0 0 rgba(233, 30, 140, 0.3); }
    50% { box-shadow: 0 0 0 6px rgba(233, 30, 140, 0.15); }
    100% { box-shadow: 0 0 0 0 rgba(233, 30, 140, 0); }
}

.code-sent-msg {
    padding: 14px 16px;
    background: rgba(233, 30, 140, 0.08);
    border: 1px solid rgba(233, 30, 140, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: #ff50a8;
    line-height: 1.6;
    margin-bottom: 20px;
    animation: fadeIn 0.4s var(--ease);
}

.code-sent-msg i {
    margin-right: 4px;
}

.code-sent-msg span {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #e91e8c, #ff2d95);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font);
    font-size: 1.05rem;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(233, 30, 140, 0.3);
    letter-spacing: 0.5px;
}

.btn-login:hover:not(:disabled) {
    background: linear-gradient(135deg, #ff2d95, #ff50a8);
    box-shadow: 0 6px 28px rgba(233, 30, 140, 0.4);
    transform: translateY(-2px);
}

.btn-login:active:not(:disabled) {
    transform: translateY(0);
}

.btn-login.disabled {
    opacity: 0.35;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-login .spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 0 auto;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 16px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--glass-border);
}


/* --- Navbar --- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5, 10, 21, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 32px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.navbar-brand span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar-brand:hover {
    opacity: 0.85;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
}

.navbar-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
}

.navbar-username {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.navbar-role {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}


/* --- Dashboard --- */
.dashboard {
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 64px);
}

.dashboard-header {
    padding: 48px 32px 32px;
    text-align: center;
}

.dashboard-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.dashboard-title span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dashboard-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Search & Filter Bar */
.filter-bar {
    max-width: 700px;
    margin: 0 auto 40px;
    padding: 0 32px;
    display: flex;
    gap: 12px;
}

.search-wrapper {
    flex: 1;
    position: relative;
}

.search-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
}

.search-input {
    width: 100%;
    padding: 12px 16px 12px 42px;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.filter-select {
    padding: 12px 36px 12px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6l3.5 4 3.5-4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    transition: var(--transition);
}

.filter-select option {
    background: var(--bg-secondary);
}

.filter-select:focus {
    border-color: var(--accent);
}

/* Program Cards Grid */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    padding: 0 32px 64px;
    max-width: 1400px;
    margin: 0 auto;
}

.program-card {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    cursor: default;
    animation: cardIn 0.5s var(--ease) both;
    position: relative;
    overflow: hidden;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition);
}

.program-card:hover {
    transform: translateY(-4px);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.program-card:hover::before {
    opacity: 1;
}

@keyframes cardIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.program-card-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.program-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.program-info h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 1.3;
}

.program-info .program-version {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.program-description {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.program-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.program-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================
   Web App View Styles
   ========================================== */
.webapp-container {
    max-width: 1200px;
    margin: 20px auto;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
    animation: fadeIn 0.4s var(--ease);
}

.webapp-header {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.webapp-title {
    margin-left: auto;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.webapp-body {
    padding: 40px;
    min-height: 500px;
}

.webapp-sample {
    text-align: center;
    padding: 40px 20px;
}

.webapp-sample h2 {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 10px;
}

.webapp-sample p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.sample-box {
    display: inline-flex;
    gap: 10px;
    background: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.program-meta-item i {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.program-category {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent-light);
}

.program-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.download-btn:hover {
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
    transform: translateY(-1px);
}

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

.download-count {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 32px;
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
    font-size: 0.9rem;
}


/* --- Admin Panel --- */
.admin {
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 64px);
    padding: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.admin-header {
    margin-bottom: 32px;
}

.admin-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.admin-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-glow);
}

.stat-card-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 14px;
}

.stat-card-icon.users { background: var(--info-bg); color: var(--info); }
.stat-card-icon.roles { background: var(--warning-bg); color: var(--warning); }
.stat-card-icon.programs { background: var(--success-bg); color: var(--success); }
.stat-card-icon.downloads { background: rgba(139, 92, 246, 0.12); color: var(--accent-2); }

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 28px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 4px;
    width: fit-content;
}

.admin-tab {
    padding: 10px 24px;
    font-family: var(--font);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-tab.active {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.25);
}

.admin-tab:not(.active):hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

.admin-tab-badge {
    font-size: 0.72rem;
    padding: 1px 7px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    font-weight: 700;
}

.admin-tab:not(.active) .admin-tab-badge {
    background: rgba(255, 255, 255, 0.06);
}

/* Admin Section Header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 700;
}

/* Data Table */
.data-table-wrapper {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 14px 20px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--glass-border);
}

.data-table td {
    padding: 14px 20px;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(99, 102, 241, 0.04);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.table-actions {
    display: flex;
    gap: 6px;
}

/* Role Badge */
.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    border: 1px solid;
}

/* Role Cards (for roles tab) */
.roles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.role-card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition);
}

.role-card:hover {
    border-color: var(--glass-border-hover);
}

.role-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.role-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
}

.role-card-level {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.role-card-default {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: var(--success-bg);
    color: var(--success);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
}

.role-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
}

/* Admin Programs Table extras */
.program-roles-list {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.program-roles-list .role-badge {
    padding: 2px 8px;
    font-size: 0.72rem;
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.file-name {
    font-weight: 600;
    font-size: 0.88rem;
}

.file-size {
    font-size: 0.78rem;
    color: var(--text-muted);
}


/* --- Responsive --- */
@media (max-width: 768px) {
    .navbar {
        padding: 0 16px;
        height: 56px;
    }

    .navbar-username {
        display: none;
    }

    .auth-card {
        max-width: 100%;
    }

    .auth-header {
        padding: 32px 24px 8px;
    }

    .auth-tabs {
        margin: 20px 24px 0;
    }

    .auth-form {
        padding: 24px;
    }

    .auth-logo {
        font-size: 2.2rem;
    }

    .dashboard-header {
        padding: 32px 16px 24px;
    }

    .dashboard-title {
        font-size: 1.5rem;
    }

    .filter-bar {
        padding: 0 16px;
        flex-direction: column;
    }

    .programs-grid {
        grid-template-columns: 1fr;
        padding: 0 16px 40px;
        gap: 16px;
    }

    .admin {
        padding: 20px 16px;
    }

    .admin-tabs {
        width: 100%;
        overflow-x: auto;
    }

    .admin-tab {
        padding: 8px 16px;
        font-size: 0.82rem;
        white-space: nowrap;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .data-table-wrapper {
        overflow-x: auto;
    }

    .data-table {
        min-width: 600px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .modal-content {
        margin: 16px;
        max-height: 90vh;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .navbar-user {
        padding: 4px 10px;
    }

    .navbar-role {
        display: none;
    }

    .program-card {
        padding: 20px;
    }
}


/* --- Utility Classes --- */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }