/* Enhanced Career Mentor Styles - Complete Production Version */

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

:root {
    /* Color Palette */
    --primary: #4f46e5;
    --primary-dark: #3730a3;
    --primary-light: #818cf8;
    --secondary: #6366f1;
    --accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Neutral Colors */
    --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;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Global Loading Screen */
.global-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: white;
}

.loading-content {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-6);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Authentication Section */
.auth-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
}

.auth-container {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-12);
    max-width: 500px;
    width: 100%;
    animation: slideInScale 0.6s ease-out;
}

@keyframes slideInScale {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.auth-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    color: var(--primary);
    margin-bottom: var(--space-4);
}

.auth-header .logo i {
    font-size: 2.5rem;
}

.auth-header .logo h1 {
    font-size: 2rem;
    font-weight: 700;
}

.auth-header p {
    color: var(--gray-600);
    font-size: 1.1rem;
}

.auth-form {
    animation: fadeIn 0.4s ease-out;
}

.auth-form h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
    text-align: center;
}

.auth-form > p {
    color: var(--gray-600);
    text-align: center;
    margin-bottom: var(--space-8);
}

/* Messages Container */
.messages-container {
    margin-bottom: var(--space-4);
    min-height: 20px;
}

/* Authentication Buttons */
.auth-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: var(--space-4);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.auth-btn:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.google-btn {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.google-btn:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

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

.primary-btn:hover:not(:disabled) {
    background: var(--primary-dark);
}

/* Button Loading States */
.auth-btn.loading .btn-text {
    opacity: 0;
}

.auth-btn.loading .btn-loader {
    display: flex !important;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.btn-loader .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.google-btn .btn-loader .spinner {
    border: 2px solid rgba(0, 0, 0, 0.3);
    border-top: 2px solid currentColor;
}

/* Auth Divider */
.auth-divider {
    position: relative;
    text-align: center;
    margin: var(--space-8) 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gray-300);
}

.auth-divider span {
    background: white;
    color: var(--gray-500);
    padding: 0 var(--space-4);
    font-size: 0.875rem;
}

/* Email Form */
.email-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.email-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.email-form label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.email-form label i {
    color: var(--primary);
    width: 16px;
}

.email-form input {
    padding: var(--space-4);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.email-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.email-form input.error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.email-form input.success {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Field Error Messages */
.field-error {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: var(--space-1);
    min-height: 20px;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.field-error:not(:empty)::before {
    content: '⚠️';
    font-size: 0.75rem;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: var(--space-8);
    font-size: 0.875rem;
}

.auth-footer p {
    color: var(--gray-600);
    margin-bottom: var(--space-2);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.auth-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Error and Success Messages */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    padding: var(--space-3);
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    border: 1px solid rgba(239, 68, 68, 0.2);
    animation: slideInDown 0.3s ease-out;
}

.success-message {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    padding: var(--space-3);
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    border: 1px solid rgba(16, 185, 129, 0.2);
    animation: slideInDown 0.3s ease-out;
}

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

/* Main Application Styles */
#main-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--primary);
}

.logo i {
    font-size: 2rem;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
}

.header-actions {
    display: flex;
    gap: var(--space-3);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-outline {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: 0.8rem;
}

.logout-btn {
    color: var(--error) !important;
    border-color: var(--error) !important;
}

.logout-btn:hover {
    background: var(--error) !important;
    color: white !important;
}

/* Main Content */
.main {
    flex: 1;
    padding: var(--space-8) 0;
}

/* Profile Section */
.profile-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 160px);
}

.profile-card {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-12);
    max-width: 800px;
    width: 100%;
}

.profile-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.profile-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.profile-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* Form Styles */
.profile-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-group label i {
    color: var(--primary);
    width: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    justify-content: center;
    margin-top: var(--space-6);
}

/* Chat Section */
.chat-section {
    max-width: 1000px;
    margin: 0 auto;
}

.chat-container {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    height: calc(100vh - 200px);
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Collapsible Chat Header */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    transition: var(--transition);
    transform: translateY(0);
    position: relative;
    z-index: 10;
}

.chat-header.collapsed {
    transform: translateY(-100%);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    pointer-events: none;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.avatar {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    overflow: hidden;
}

.avatar img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.info p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Header Toggle Button */
.header-toggle {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    background: white;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transition: var(--transition);
}

.header-toggle.visible {
    opacity: 1;
    animation: slideDown 0.3s ease-out;
}

.header-toggle-btn {
    padding: var(--space-2) var(--space-4);
    border: none;
    background: transparent;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition-fast);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    font-size: 0.875rem;
}

.header-toggle-btn:hover {
    color: var(--primary);
    background: var(--gray-50);
}

.header-toggle-btn:active {
    transform: scale(0.95);
}

@keyframes slideDown {
    from {
        transform: translateX(-50%) translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    transition: var(--transition);
    scroll-behavior: smooth;
}

.chat-messages.header-collapsed {
    padding-top: var(--space-6);
}

.message {
    display: flex;
    gap: var(--space-3);
    max-width: 90%;
    animation: messageSlideIn 0.3s ease-out;
}

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

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message.user .message-content {
    background: var(--primary);
    color: white;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-avatar {
    background: var(--secondary);
    color: white;
}

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

.message-content {
    background: var(--gray-100);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    position: relative;
    flex: 1;
}

.message-content h3 {
    margin-bottom: var(--space-3);
    color: var(--primary);
}

.message-content p {
    margin-bottom: var(--space-3);
}

.message-content ul {
    padding-left: var(--space-5);
    margin-bottom: var(--space-3);
}

.message-content li {
    margin-bottom: var(--space-1);
}

.message-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.message-actions .btn {
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
}

.message-time {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: var(--space-2);
}

.welcome-message {
    display: flex;
    gap: var(--space-4);
    background: var(--gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.welcome-message .ai-avatar {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: var(--space-3);
    max-width: 90%;
    animation: fadeIn 0.3s ease-in;
}

.typing-indicator .message-content {
    background: var(--gray-100);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-500);
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1);
    }
}

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

/* Initial Suggestions */
.initial-suggestions {
    padding: var(--space-6);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
    animation: slideUp 0.5s ease-out;
}

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

.suggestion-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.suggestion-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    font-size: 0.875rem;
    font-weight: 500;
}

.suggestion-card:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.suggestion-card:active {
    transform: translateY(0);
}

.suggestion-card i {
    font-size: 1.25rem;
    color: var(--primary);
    transition: var(--transition-fast);
}

.suggestion-card:hover i {
    color: white;
}

/* Chat Input */
.chat-input-container {
    padding: var(--space-6);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
    position: relative;
    animation: slideUp 0.5s ease-out;
}

.chat-input {
    display: flex;
    gap: var(--space-3);
    align-items: flex-end;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-xl);
    padding: var(--space-3);
    transition: var(--transition-fast);
    position: relative;
}

.chat-input:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.chat-input textarea {
    flex: 1;
    border: none;
    outline: none;
    resize: none;
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    max-height: 120px;
    background: transparent;
    color: var(--gray-900);
    transition: var(--transition-fast);
    overflow: hidden;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.chat-input textarea::placeholder {
    color: var(--gray-500);
    font-style: italic;
}

.chat-input textarea:focus::placeholder {
    color: var(--gray-400);
    opacity: 0.8;
}

/* Suggestions Button */
.suggestions-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.suggestions-btn:hover {
    background: var(--warning);
    color: white;
    transform: scale(1.1);
}

.suggestions-btn:active {
    transform: scale(1.05);
}

.suggestions-btn.active {
    background: var(--warning);
    color: white;
}

.send-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.send-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.send-btn:active:not(:disabled) {
    transform: scale(0.95);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Suggestions Dropdown */
.suggestions-dropdown {
    position: absolute;
    bottom: 100%;
    left: var(--space-6);
    right: var(--space-6);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    margin-bottom: var(--space-2);
    transform: translateY(10px) scale(0.95);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    max-height: 300px;
    overflow-y: auto;
}

.suggestions-dropdown.active {
    transform: translateY(0) scale(1);
    opacity: 1;
    visibility: visible;
}

.suggestions-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border: none;
    background: transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: left;
    font-size: 0.875rem;
}

.suggestion-item:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.suggestion-item:active {
    background: var(--gray-200);
}

.suggestion-item i {
    color: var(--gray-500);
    transition: var(--transition-fast);
}

.suggestion-item:hover i {
    color: var(--primary);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h2 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-200);
}

.modal-body {
    padding: var(--space-6);
    max-height: calc(90vh - 140px);
    overflow-y: auto;
}

.modal-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    margin-top: var(--space-6);
}

/* Roadmap Styles */
.roadmap-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.stat {
    text-align: center;
    padding: var(--space-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

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

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: var(--space-8);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    transition: width 0.5s ease;
}

.roadmap-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.roadmap-group {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.roadmap-group h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--gray-900);
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.task-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: var(--transition-fast);
}

.task-item:hover {
    box-shadow: var(--shadow-sm);
}

.task-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.task-checkbox.completed {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.task-text {
    flex: 1;
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.task-item.completed .task-text {
    text-decoration: line-through;
    color: var(--gray-500);
}

.empty-state {
    text-align: center;
    padding: var(--space-12);
    color: var(--gray-500);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
}

/* Toast */
.toast {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    background: var(--success);
    color: white;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    transition: var(--transition);
    z-index: 1500;
}

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

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Markdown Content Styling */
.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4 {
    color: var(--gray-900);
    font-weight: 600;
    margin: var(--space-4) 0 var(--space-2) 0;
}

.markdown-content h1 {
    font-size: 1.75rem;
    border-bottom: 2px solid var(--primary);
    padding-bottom: var(--space-2);
}

.markdown-content h2 {
    font-size: 1.5rem;
    color: var(--primary);
}

.markdown-content h3 {
    font-size: 1.25rem;
}

.markdown-content p {
    margin-bottom: var(--space-3);
    line-height: 1.7;
}

.markdown-content ul,
.markdown-content ol {
    margin: var(--space-3) 0;
    padding-left: var(--space-5);
}

.markdown-content li {
    margin-bottom: var(--space-1);
}

.markdown-content strong {
    font-weight: 600;
    color: var(--gray-900);
}

.markdown-content code {
    background: var(--gray-100);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.markdown-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--gray-50);
    padding: var(--space-4);
    margin: var(--space-4) 0;
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* Enhanced Mobile Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .header-content {
        padding: var(--space-3) 0;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .header-actions {
        gap: var(--space-2);
    }
    
    .header-actions .btn {
        padding: var(--space-2);
        min-width: 40px;
        justify-content: center;
    }
    
    .header-actions .btn .btn-text {
        display: none;
    }
    
    .auth-section {
        padding: var(--space-4);
    }
    
    .auth-container {
        padding: var(--space-8);
        margin: var(--space-4);
    }
    
    .auth-header .logo h1 {
        font-size: 1.75rem;
    }
    
    .auth-form h2 {
        font-size: 1.5rem;
    }
    
    .auth-btn {
        padding: var(--space-3) var(--space-4);
        font-size: 0.95rem;
    }
    
    .profile-card {
        padding: var(--space-8);
        margin: var(--space-4);
    }
    
    .profile-header h2 {
        font-size: 2rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .chat-container {
        height: calc(100vh - 120px);
        border-radius: var(--radius-xl);
    }
    
    .chat-messages {
        padding: var(--space-4);
    }
    
    .message {
        max-width: 95%;
    }
    
    .suggestion-cards {
        gap: var(--space-2);
    }
    
    .suggestion-card {
        padding: var(--space-3);
        font-size: 0.8rem;
    }
    
    .roadmap-stats {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--space-4);
    }
    
    .modal-body {
        padding: var(--space-4);
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: var(--space-6);
    }
    
    .auth-header .logo {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .auth-header .logo i {
        font-size: 2rem;
    }
    
    .btn {
        padding: var(--space-2);
        font-size: 0.8rem;
    }
    
    .btn-sm {
        padding: var(--space-1) var(--space-3);
        font-size: 0.75rem;
    }
    
    .message {
        max-width: 98%;
    }
    
    .suggestion-card {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
    }
}