:root {
    --bg-dark: #0f0f17;
    --card-bg: rgba(24, 24, 37, 0.75);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(137, 180, 250, 0.4);
    --text-primary: #cdd6f4;
    --text-secondary: #a6adc8;
    --text-dim: #6c7086;
    
    --accent-blue: #89b4fa;
    --accent-purple: #cba6f7;
    --color-available: #2ecc71;
    --color-warning: #f39c12;
    --color-limited: #e74c3c;
    --color-expired: #95a5a6;
    
    --progress-bg: #1e1e2e;
    --radius-lg: 16px;
    --radius-md: 10px;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(137, 180, 250, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(203, 166, 247, 0.06) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    padding: 24px 16px;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow-soft);
}

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

.brand-icon {
    width: 44px;
    height: 44px;
    background: rgba(137, 180, 250, 0.12);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(137, 180, 250, 0.2);
}

.brand h1 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.brand .subtitle {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #89b4fa, #b4befe);
    color: #11111b;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(137, 180, 250, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
}

.btn-outline:hover {
    color: var(--text-primary);
    border-color: var(--accent-blue);
}

.btn-danger {
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.btn-danger:hover {
    background: rgba(231, 76, 60, 0.3);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Recommend Banner */
.recommend-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.12), rgba(137, 180, 250, 0.1));
    border: 1px solid rgba(46, 204, 113, 0.3);
    border-radius: var(--radius-lg);
    padding: 18px 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(46, 204, 113, 0.1);
}

.recommend-icon {
    font-size: 1.8rem;
}

.recommend-content .label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-available);
    letter-spacing: 1px;
}

.recommend-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 2px 0;
}

.recommend-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Section Title */
.section-title {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 16px;
    padding: 0 4px;
}

.section-title h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.last-updated {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* Accounts Grid */
.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    justify-content: center;
}

/* Account Card */
.account-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.account-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-2px);
}


.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.acc-title-area h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.card-refresh-bar {
    display: flex;
    justify-content: center;
    margin-top: 4px;
}

.card-refresh-btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(137, 180, 250, 0.1);
    color: var(--accent-blue);
    border: 1px solid rgba(137, 180, 250, 0.25);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.card-refresh-btn:hover {
    background: rgba(137, 180, 250, 0.2);
    border-color: var(--accent-blue);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(137, 180, 250, 0.15);
}

.acc-email {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 2px;
}

.badges {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.status-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.5px;

}


/* Usage Progress Item */
.usage-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.usage-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.usage-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.usage-val {
    font-weight: 700;
    color: var(--text-primary);
}

.progress-bar-bg {
    height: 10px;
    background: var(--progress-bg);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.reset-timer-box {
    margin-top: 4px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.timer-remaining {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-blue);
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.timer-exact {
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-top: 1px;
    font-weight: 500;
}

/* Admin Card Actions */
.card-admin-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px dashed var(--card-border);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.2s ease;
}

.modal-card {
    background: #181825;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 400px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

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

.modal-header h3 {
    font-size: 1.15rem;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-body p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    background: #11111b;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
}

.form-group input:focus {
    border-color: var(--accent-blue);
}

.auth-message {
    margin-top: 10px;
    font-size: 0.85rem;
    padding: 8px 12px;
    border-radius: var(--radius-md);
}

.auth-message.error {
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

/* Floating Admin Bar */
.admin-bar {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(30, 30, 46, 0.92);
    backdrop-filter: blur(16px);
    border: 1px solid var(--accent-blue);
    border-radius: 30px;
    padding: 10px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 900;
}

/* Utilities */
.hidden {
    display: none !important;
}

.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 0;
    color: var(--text-dim);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px auto;
}

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

@media (max-width: 600px) {
    .app-header {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    
    .header-actions {
        justify-content: stretch;
    }
    
    .header-actions .btn {
        flex: 1;
        justify-content: center;
    }
}