/* ===================================
   Quest Tracker API - Styles
   W3.5 API Integration Mastery
   Project 03 Template
   =================================== */

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

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;

    /* Status Colors */
    --status-pending: #94a3b8;
    --status-active: #3b82f6;
    --status-completed: #10b981;

    /* Priority Colors */
    --priority-urgent: #ef4444;
    --priority-high: #f59e0b;
    --priority-medium: #3b82f6;
    --priority-low: #94a3b8;

    /* Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--gray-900);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.header {
    background: white;
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.subtitle {
    color: var(--gray-600);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    min-width: 120px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Controls Section */
.controls {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.control-group {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.search-filter {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 250px;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.filter-select {
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: white;
    cursor: pointer;
    transition: all 0.3s;
}

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

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.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(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-500);
    padding: var(--spacing-xs);
    line-height: 1;
}

.btn-close:hover {
    color: var(--gray-700);
}

/* Loading Spinner */
.loading-spinner {
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

/* Messages */
.error-message,
.success-message {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease-out;
}

.error-message {
    background: #fef2f2;
    border: 2px solid var(--danger);
    color: #991b1b;
}

.success-message {
    background: #f0fdf4;
    border: 2px solid var(--success);
    color: #065f46;
}

.error-icon,
.success-icon {
    font-size: 1.5rem;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Quest List */
.quest-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.quest-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transition: all 0.3s;
    animation: fadeIn 0.3s ease-out;
}

.quest-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

.quest-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.quest-badges {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-status-pending {
    background: #f1f5f9;
    color: var(--status-pending);
}

.badge-status-active {
    background: #dbeafe;
    color: var(--status-active);
}

.badge-status-completed {
    background: #d1fae5;
    color: var(--status-completed);
}

.badge-priority-urgent {
    background: #fee2e2;
    color: var(--priority-urgent);
}

.badge-priority-high {
    background: #fef3c7;
    color: var(--priority-high);
}

.badge-priority-medium {
    background: #dbeafe;
    color: var(--priority-medium);
}

.badge-priority-low {
    background: #f1f5f9;
    color: var(--priority-low);
}

.quest-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.quest-meta {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
}

.quest-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--gray-100);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    animation: fadeIn 0.3s ease-out;
}

/* Form Styles */
form {
    padding: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

input[type="text"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

textarea {
    resize: vertical;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--gray-100);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) * 2;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.empty-state h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

.empty-state p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }

    .stats-bar {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .stat {
        flex: 1;
        min-width: calc(50% - var(--spacing-md));
    }

    .control-group {
        flex-direction: column;
    }

    .search-filter {
        flex-direction: column;
    }

    .search-input,
    .filter-select {
        width: 100%;
    }

    .quest-list {
        grid-template-columns: 1fr;
    }

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

    .modal {
        width: 95%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .header {
        padding: var(--spacing-lg) 0;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .stat {
        min-width: 100%;
    }
}

/* Glassmorphism & Dashboard Layout additions */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.header-main {
    flex: 1;
    min-width: 300px;
}

.header-aside {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-sm);
}

.user-profile, .auth-prompt {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--gray-50);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.user-greeting {
    font-size: 0.95rem;
    color: var(--gray-700);
}

.auth-message {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Tabs Navigation styling */
.tabs-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    background: transparent;
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-600);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.tab-btn:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.tab-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.tab-content {
    animation: fadeIn 0.35s ease-out;
}

.tab-content.hidden {
    display: none !important;
}

/* Auth Tabs in Modal */
.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--gray-100);
    margin-bottom: var(--spacing-md);
}

.auth-tab-btn {
    flex: 1;
    padding: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

.auth-tab-btn:hover {
    color: var(--gray-800);
}

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

/* API Docs Banner */
.docs-banner {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    font-size: 0.95rem;
    border-left: 4px solid var(--primary);
}

.docs-link {
    color: var(--primary-dark);
    font-weight: 700;
    text-decoration: none;
}

.docs-link:hover {
    text-decoration: underline;
}

/* Color dot preview for categories */
.color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
    border: 1px solid rgba(0,0,0,0.1);
    vertical-align: middle;
}

/* Card overrides for RPG style */
.level-badge {
    background: var(--secondary);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: bold;
}