/* Nyata AI - Main Stylesheet */

/* Dark Mode Variables */
.dark-mode {
    --background: #0F172A;
    --surface: #1E293B;
    --surface-hover: #334155;
    --text: #F1F5F9;
    --text-light: #CBD5E1;
    --text-lighter: #94A3B8;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5);
}

/* Base Styles */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    transition: var(--transition-slow);
}

/* ===== TOP NAVIGATION BAR ===== */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--top-nav-height);
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.top-nav-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.app-logo:hover {
    transform: scale(1.05);
}

.app-logo i {
    font-size: 1.5rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.top-nav-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--surface-hover);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
}

.nav-icon-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--primary);
    transition: width 0.3s ease, height 0.3s ease;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.nav-icon-btn:hover::before {
    width: 100%;
    height: 100%;
}

.nav-icon-btn:hover {
    color: white;
    transform: scale(1.05);
}

.nav-icon-btn.active {
    background: var(--primary);
    color: white;
}

/* API Dashboard Button Styles */
.api-dashboard-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.api-dashboard-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.api-dashboard-btn i {
    font-size: 1rem;
}

.user-avatar-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    border: 2px solid var(--border-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
}

.user-avatar-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.2);
}

/* ===== BOTTOM NAVIGATION BAR ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--surface);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0.5rem;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    text-decoration: none;
    color: var(--text-light);
    transition: var(--transition);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    position: relative;
}

.nav-item:hover {
    background: var(--surface-hover);
    color: var(--primary);
    transform: translateY(-2px);
}

.nav-item.active {
    color: var(--primary);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: var(--primary);
    border-radius: 0 0 3px 3px;
}

.nav-item i {
    font-size: 1.35rem;
    transition: var(--transition);
}

.nav-item:hover i {
    transform: scale(1.15);
}

.nav-item span {
    font-size: 0.7rem;
    font-weight: 500;
}

/* ===== MAIN CONTENT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    animation: fadeIn 0.5s ease-in-out;
}

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

.page-header {
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* ===== GREETING CARD ===== */
.greeting-card {
    background: var(--primary-gradient);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.greeting-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30%, -30%); }
}

.greeting-text {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.greeting-subtext {
    font-size: 0.95rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* ===== CHARACTER GRID ===== */
.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--primary);
    border-radius: 2px;
}

.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.character-card {
    background: var(--surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
}

.character-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.character-card.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.2);
}

.character-image {
    width: 100%;
    padding-top: 100%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.character-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.character-card:hover .character-image img {
    transform: scale(1.1);
}

.character-info {
    padding: 0.75rem;
}

.character-name {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.character-description {
    font-size: 0.75rem;
    color: var(--text-light);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.premium-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: linear-gradient(135deg, var(--warning) 0%, #D97706 100%);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 20px;
    font-size: 0.65rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    z-index: 10;
    box-shadow: var(--shadow);
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* ===== MODALS ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-xl);
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--surface-hover);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--error);
    color: white;
    transform: rotate(90deg) scale(1.1);
}

.modal-body {
    padding: 1.5rem;
}

/* ===== PROFILE MODAL ===== */
.profile-header {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    position: relative;
    overflow: hidden;
}

.profile-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 10s linear infinite;
}

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

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: white;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 1rem;
    border: 4px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    position: relative;
    z-index: 1;
}

.profile-email {
    font-size: 0.9rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.profile-section {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.profile-section:last-child {
    border-bottom: none;
}

.profile-section-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.profile-info-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    transition: var(--transition);
}

.profile-info-item:hover {
    transform: translateX(4px);
}

.profile-info-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text);
    font-size: 0.95rem;
}

.profile-info-label i {
    width: 24px;
    text-align: center;
    color: var(--primary);
}

.profile-info-value {
    color: var(--text-light);
    font-weight: 500;
}

.profile-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.profile-badge.premium {
    background: linear-gradient(135deg, var(--warning) 0%, #D97706 100%);
    color: white;
}

.profile-badge.free {
    background: var(--surface-hover);
    color: var(--text-light);
}

.clickable-item {
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--border-radius);
    padding: 1rem;
    background: var(--surface-hover);
}

.clickable-item:hover {
    background: var(--primary);
    color: white;
}

.clickable-item:hover .profile-info-label,
.clickable-item:hover .profile-info-label i,
.clickable-item:hover .profile-info-value,
.clickable-item:hover .profile-info-value i {
    color: white;
}

/* ===== BUTTONS ===== */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

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

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

.btn-secondary {
    background: var(--surface-hover);
    color: var(--text);
}

.btn-secondary:hover {
    background: var(--text-light);
    color: white;
}

.btn-block {
    width: 100%;
}

/* ===== NOTIFICATION TOAST ===== */
.notification-toast {
    position: fixed;
    top: calc(var(--top-nav-height) + 1rem);
    right: 1rem;
    background: var(--success);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    z-index: 3000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 400px;
    animation: slideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.notification-toast.error {
    background: var(--error);
}

.notification-toast.warning {
    background: var(--warning);
}

.notification-toast.info {
    background: var(--primary);
}

@keyframes slideIn {
    from {
        transform: translateX(calc(100% + 2rem));
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    to {
        transform: translateX(calc(100% + 2rem));
        opacity: 0;
    }
}

/* ===== TUTORIAL OVERLAY ===== */
.tutorial-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 5000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tutorial-overlay.active {
    display: block;
    opacity: 1;
}

.tutorial-spotlight {
    position: absolute;
    border: 3px solid var(--primary);
    border-radius: var(--border-radius);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.8), 0 0 20px var(--primary);
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 5001;
}

.tutorial-tooltip {
    position: absolute;
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    max-width: 350px;
    box-shadow: var(--shadow-xl);
    z-index: 5002;
    animation: tooltipFadeIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.tutorial-tooltip::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
}

.tutorial-tooltip.top::before {
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 10px 10px 0 10px;
    border-color: var(--surface) transparent transparent transparent;
}

.tutorial-tooltip.bottom::before {
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 10px 10px 10px;
    border-color: transparent transparent var(--surface) transparent;
}

.tutorial-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.tutorial-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.tutorial-step-info {
    flex: 1;
}

.tutorial-step-counter {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tutorial-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-top: 0.25rem;
}

.tutorial-content {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.tutorial-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.tutorial-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.tutorial-btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.tutorial-btn-secondary {
    background: var(--surface-hover);
    color: var(--text);
}

.tutorial-btn-secondary:hover {
    background: var(--text-lighter);
    color: white;
}

.tutorial-skip {
    color: var(--text-light);
    font-size: 0.85rem;
    text-decoration: underline;
    cursor: pointer;
    transition: var(--transition);
}

.tutorial-skip:hover {
    color: var(--primary);
}

.tutorial-progress {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

.tutorial-progress-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
    transition: var(--transition);
}

.tutorial-progress-dot.active {
    background: var(--primary);
    width: 24px;
    border-radius: 4px;
}

/* ===== SMOOTH SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-lighter);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .character-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .greeting-card {
        padding: 1.25rem;
    }
    
    .greeting-text {
        font-size: 1.25rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .app-logo span {
        display: none;
    }
    
    .nav-item span {
        font-size: 0.65rem;
    }
    
    .nav-item i {
        font-size: 1.25rem;
    }
}

@media (max-width: 600px) {
    .api-dashboard-btn span {
        display: none;
    }
    
    .api-dashboard-btn {
        width: 40px;
        height: 40px;
        padding: 0;
        border-radius: 50%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .character-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .bottom-nav {
        padding: 0.25rem;
    }
    
    .container {
        padding: 0.75rem;
    }
    
    .notification-toast {
        left: 1rem;
        right: 1rem;
        max-width: calc(100% - 2rem);
    }
}