/* ==========================================
   DOCS HUB - Dual Theme System
   Dark theme by default with light theme toggle
   ========================================== */

:root {
    /* Dark Theme (Default) */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --bg-hover: #4a4a4a;
    
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    
    /* --accent-primary: #9b59b6;
    --accent-secondary: #8e44ad;
    --accent-hover: #a569bd; */
	--accent-primary: #D5B654;
	--accent-secondary: #B89A3D;
	--accent-hover: #E6C76A;
    
    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.3);
    
    --success: #27ae60;
    --warning: #f39c12;
    --error: #e74c3c;
    --info: #3498db;
    
    --card-bg: #2d2d2d;
    --input-bg: #3a3a3a;
    --input-border: #505050;
}

[data-theme="light"] {
    /* Light Theme */
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e8e8;
    --bg-hover: #e0e0e0;
    
    --text-primary: #2c3e50;
    --text-secondary: #5a5a5a;
    --text-muted: #95a5a6;
    
    /* --accent-primary: #9b59b6;
    --accent-secondary: #8e44ad;
    --accent-hover: #a569bd; */
	--accent-primary: #D5B654;
	--accent-secondary: #B89A3D;
	--accent-hover: #E6C76A;

    --border-color: #dcdcdc;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    --success: #27ae60;
    --warning: #f39c12;
    --error: #e74c3c;
    --info: #3498db;
    
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #dcdcdc;
}

/* ==========================================
   Base Styles
   ========================================== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ==========================================
   Header & Navigation
   ========================================== */

.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 40px;
    width: auto;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.logout-btn {
    padding: 0.5rem 1rem;
    background: var(--error);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logout-btn:hover {
    opacity: 0.8;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    transform: rotate(180deg);
}

/* ==========================================
   Main Content
   ========================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ==========================================
   Project Cards Grid
   ========================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow-color);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--project-color, var(--accent-primary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px var(--shadow-color);
}

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

.project-card.unavailable {
    opacity: 0.6;
    cursor: not-allowed;
}

.project-card.unavailable:hover {
    transform: none;
}

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

.project-icon {
    font-size: 2.5rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-status.available {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.project-status.unavailable {
    background: rgba(231, 76, 60, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

.view-docs-btn {
    margin-top: 1rem;
    width: 100%;
    padding: 0.75rem;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.view-docs-btn:hover {
    background: var(--accent-hover);
}

.view-docs-btn:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* ==========================================
   Login Page
   ========================================== */

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    max-width: 450px;
    width: 100%;
    box-shadow: 0 4px 12px var(--shadow-color);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo img {
    height: 80px;
    width: auto;
}

.login-title {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(155, 89, 182, 0.1);
}

.login-btn {
    width: 100%;
    padding: 0.875rem;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background: var(--accent-hover);
}

.flash-messages {
    margin-bottom: 1.5rem;
}

.flash-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.flash-message.error {
    background: rgba(231, 76, 60, 0.1);
    border-color: var(--error);
    color: var(--error);
}

.flash-message.info {
    background: rgba(52, 152, 219, 0.1);
    border-color: var(--info);
    color: var(--info);
}

.flash-message.success {
    background: rgba(39, 174, 96, 0.1);
    border-color: var(--success);
    color: var(--success);
}

/* ==========================================
   Error Pages
   ========================================== */

.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.error-content {
    text-align: center;
    max-width: 600px;
}

.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    text-align: center;
    padding: 2rem;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    line-height: 1;
}

.error-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.error-description,
.error-message {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    line-height: 1.6;
}

.build-instructions {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    text-align: left;
    border: 1px solid var(--border-color);
}

.build-instructions h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.build-instructions code {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    padding: 0.75rem 1rem;
    border-radius: 5px;
    display: block;
    margin-top: 0.5rem;
    font-family: 'Courier New', 'Consolas', monospace;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

.back-btn {
    padding: 0.875rem 2rem;
    background: var(--accent-primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

.back-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* ==========================================
   Buttons
   ========================================== */

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

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


/* ==========================================
   Footer
   ========================================== */

.footer {
    margin-top: 4rem;
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .login-box {
        padding: 2rem 1.5rem;
    }
}

/* ==========================================
   Animations
   ========================================== */

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

.project-card {
    animation: fadeIn 0.5s ease forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }

/* ==========================================
   Utility Classes
   ========================================== */

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }