/* Material You Dark Green Palette styling */
:root {
    --primary: #86d3b1; /* Light Mint Green */
    --primary-container: #1b4d3e; /* Dark forest green container */
    --on-primary: #003822; /* Darkest green text on mint */
    --background: #0d120f; /* Very deep dark green-black */
    --surface: #151d18; /* Surface card color */
    --surface-variant: #202b23; /* Lighter surface */
    --on-background: #e1e3e0; /* Light text */
    --on-surface: #e1e3e0;
    --on-surface-variant: #c0c4c0;
    --outline: #8c938d;
    --error: #ffb4ab;
    --success: #86d3b1;
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background);
    color: var(--on-background);
    line-height: 1.6;
    overflow-x: hidden;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styling */
header {
    background: rgba(13, 18, 15, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}

.logo-image {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--on-background);
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--primary);
    display: block;
    margin-top: -2px;
}

.user-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.username-display {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--on-surface-variant);
}

/* Common Layout Components */
main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2.5rem 2rem;
}

/* Cards & Glassmorphism */
.card {
    background-color: var(--surface);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* Landing Page (Login Page) */
.hero-section {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-image-container {
        order: -1;
    }
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-title span {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--on-surface-variant);
    margin-bottom: 2.5rem;
    max-width: 550px;
}

.hero-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-mascot {
    width: 100%;
    max-width: 320px;
    border-radius: 32px;
    box-shadow: 0 16px 48px rgba(134, 211, 177, 0.15);
    border: 3px solid var(--primary-container);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: 100px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--on-primary);
}

.btn-primary:hover {
    background-color: #9bf3cc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(134, 211, 177, 0.3);
}

.btn-secondary {
    background-color: var(--surface-variant);
    color: var(--on-background);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.btn-danger {
    background-color: rgba(255, 180, 171, 0.15);
    color: var(--error);
    border: 1px solid rgba(255, 180, 171, 0.2);
}

.btn-danger:hover {
    background-color: rgba(255, 180, 171, 0.25);
}

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

.btn-outline:hover {
    background-color: rgba(134, 211, 177, 0.05);
}

.btn-telegram {
    background: linear-gradient(135deg, #229ed9 0%, #24a1de 100%);
    color: #ffffff;
    border: none;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(34, 158, 217, 0.3);
    animation: tg-pulse 2.5s infinite;
}

.btn-telegram:hover {
    background: linear-gradient(135deg, #24a1de 0%, #28b1f0 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 158, 217, 0.5);
    animation-play-state: paused;
}

@keyframes tg-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(34, 158, 217, 0.5);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(34, 158, 217, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(34, 158, 217, 0);
    }
}

/* Dashboard Profile Info */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

@media (max-width: 992px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.profile-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.status-badge {
    padding: 0.35rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 1rem;
    display: inline-block;
}

.status-active {
    background-color: rgba(134, 211, 177, 0.15);
    color: var(--success);
    border: 1px solid rgba(134, 211, 177, 0.3);
}

.status-expired {
    background-color: rgba(255, 180, 171, 0.15);
    color: var(--error);
    border: 1px solid rgba(255, 180, 171, 0.3);
}

/* Info List */
.info-list {
    width: 100%;
    margin-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.info-label {
    color: var(--on-surface-variant);
}

.info-value {
    font-weight: 600;
}

.payment-code-box {
    background-color: var(--surface-variant);
    border: 2px dashed var(--primary);
    border-radius: 12px;
    padding: 0.75rem;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--primary);
    margin: 1rem 0;
    cursor: pointer;
    position: relative;
    user-select: all;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

/* Tabs */
.tabs-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 0.5rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--on-surface-variant);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    cursor: pointer;
    position: relative;
    transition: color var(--transition-speed);
}

.tab-btn.active {
    color: var(--primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    border-radius: 3px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Connection Cards & Accordion */
.config-group {
    margin-bottom: 1.5rem;
}

.config-group-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.config-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.config-item {
    background-color: var(--surface-variant);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.02);
}

.config-info {
    flex: 1;
    overflow: hidden;
}

.config-name {
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.config-details {
    font-size: 0.8rem;
    color: var(--on-surface-variant);
}

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

.action-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--on-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.action-icon-btn:hover {
    background-color: var(--primary);
    color: var(--on-primary);
    transform: scale(1.05);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.pricing-card {
    background-color: var(--surface-variant);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.03);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border: 2px solid var(--primary);
    background: linear-gradient(145deg, var(--surface-variant), #192720);
}

.pricing-badge {
    position: absolute;
    top: 12px;
    right: -32px;
    background-color: var(--primary);
    color: var(--on-primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 2.5rem;
    transform: rotate(45deg);
}

.pricing-period {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin: 1rem 0;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--on-surface-variant);
}

.pricing-desc {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
    margin-top: auto;
    padding-top: 1rem;
}

/* Modal Popup (for QRs) */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-speed);
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--surface);
    border-radius: 28px;
    padding: 2.5rem;
    max-width: 450px;
    width: 90%;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-speed);
}

.modal.active .modal-content {
    transform: scale(1);
}

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--on-surface-variant);
    font-size: 1.5rem;
    cursor: pointer;
}

.close-btn:hover {
    color: var(--on-surface);
}

.qr-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.qr-container {
    background: white;
    padding: 1.5rem;
    border-radius: 20px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
}

.qr-container div {
    display: block;
}

.qr-help-text {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
}

/* Toast notifications */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--surface-variant);
    color: var(--on-surface);
    border-left: 4px solid var(--primary);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 1100;
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-speed) cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Footer */
footer {
    padding: 2rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--on-surface-variant);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

/* Mobile Layout Enhancements */
@media (max-width: 600px) {
    .header-content {
        padding: 0.85rem 1rem;
        flex-direction: column;
        gap: 0.85rem;
        text-align: center;
    }
    
    .logo-section {
        justify-content: center;
    }
    
    .logo-text span {
        display: none; /* Hide subtitle to save vertical space on mobile header */
    }
    
    .user-controls {
        width: 100%;
        justify-content: center;
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .user-controls .username-display {
        width: 100%;
        margin-bottom: 0.25rem;
        text-align: center;
    }
    
    main {
        padding: 1.25rem 0.75rem;
    }
    
    .card {
        padding: 1.5rem 1rem;
        border-radius: 16px;
        margin-bottom: 1.25rem;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }
    
    .stat-card {
        padding: 1rem 0.75rem;
    }
    
    .stat-value {
        font-size: 1.3rem;
    }

    .stat-title {
        font-size: 0.7rem;
    }
    
    .countdown-container {
        padding: 1.5rem 1rem;
        border-radius: 16px;
    }
    
    .countdown-timer {
        gap: 0.5rem;
    }
    
    .countdown-item {
        min-width: 65px;
        padding: 0.5rem;
    }
    
    .countdown-number {
        font-size: 1.6rem;
    }
    
    .config-item {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        gap: 1rem;
    }
    
    .config-actions {
        justify-content: center;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin: 1rem 0;
    }

    .pricing-card {
        padding: 1.5rem 1rem;
    }

    .pricing-grid-interactive {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }
    
    .pricing-option-card {
        padding: 1rem 0.5rem;
        border-radius: 14px;
    }
    
    .pricing-option-price {
        font-size: 1.2rem;
    }
    
    .btn {
        width: 100%;
        padding: 0.75rem 1.5rem;
    }
    
    .modal-content {
        padding: 1.5rem;
        width: 95%;
    }
    
    .qr-container {
        padding: 1rem;
    }
    
    .qr-container img {
        width: 200px !important;
        height: 200px !important;
    }
}