style.css

/* --- 1. CSS Variables (Design System) --- */
:root {
    /* Palette */
    --primary: #007BFF;
    --primary-foreground: #FFFFFF;
    --secondary: #E8F1FB;
    --secondary-foreground: #333;
    --background: #F8F9FA;
    --text: #333333;
    --muted: #f1f5f9;
    --muted-foreground: #555;
    --border: #e2e8f0;
    --card: #FFFFFF;

    /* Semantic Colors (for stats) */
    --success: #28a745;
    --warning: #ffc107;
    --destructive: #dc3545;

    /* --- SIDEBAR COLORS: UPDATED --- */
    --sidebar: #1e293b; /* Tailwind: slate-800 */
    --sidebar-border: #334155; /* Tailwind: slate-700 */
    --sidebar-foreground: #e2e8f0; /* Tailwind: slate-200 */
    --sidebar-primary: var(--primary); /* Keeps brand color for icon */
    --sidebar-accent: #475569; /* Tailwind: slate-600 (New Active BG) */
    --sidebar-accent-foreground: #e2e8f0; /* New Active Text (Keeps it light) */
    
    /* Sizing & Shadow */
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

/* --- 2. Base & Typography Reset --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%; /* Ensures 100% height */
}

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

a {
    text-decoration: none;
    color: inherit;
}

h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

/* Base Headings */
h1 { font-size: 1.875rem; font-weight: 700; }
h2 { font-size: 1.25rem; font-weight: 600; }
h3 { font-size: 1.125rem; font-weight: 600; }


/* --- 3. Main Layout (Sidebar + Main) --- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* --- 4. Sidebar Styles --- */
.sidebar {
    width: 256px; /* w-64 */
    background-color: var(--sidebar);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    flex-shrink: 0; /* Prevents sidebar from shrinking */
}

.sidebar-header {
    padding: 1.5rem; /* p-6 */
    border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-logo .icon {
    height: 1.5rem; /* h-6 */
    width: 1.5rem; /* w-6 */
    color: var(--sidebar-primary);
}

.sidebar-logo span {
    font-size: 1.125rem; /* text-lg */
    font-weight: 600;
    color: var(--sidebar-foreground);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem; /* p-4 */
    display: flex;
    flex-direction: column;
    gap: 0.25rem; /* space-y-1 */
    overflow-y: auto;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem; /* gap-3 */
    padding: 0.75rem 1rem; /* px-4 py-3 */
    border-radius: 8px; /* rounded-lg */
    transition: color 0.2s, background-color 0.2s;
    font-size: 0.95rem;
    font-weight: 500;
    /* --- UPDATED: Text color is now light --- */
    color: var(--sidebar-foreground);
}

/* --- UPDATED: Hover rule to keep text light --- */
.sidebar-nav-link:hover {
    background-color: #334155; /* Using border color for subtle hover */
    color: var(--sidebar-foreground); /* Keeps text light */
}

.sidebar-nav-link.active {
    background-color: var(--sidebar-accent);
    color: var(--sidebar-accent-foreground);
}

.sidebar-nav-link .icon {
    height: 1.25rem; /* h-5 */
    width: 1.25rem; /* w-5 */
}

.sidebar-footer {
    padding: 1rem; /* p-4 */
    border-top: 1px solid var(--sidebar-border);
}

/* --- 5. Main Content Styles --- */
.main-content {
    flex: 1;
    padding: 2rem; /* p-8 */
    overflow-y: auto;
}

.main-container {
    max-width: 1280px; /* max-w-7xl */
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    gap: 2rem; /* space-y-8 */
}

.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-header p {
    color: var(--muted-foreground);
}

/* --- 6. Component Styles (Avatar, Card, Button, Badge) --- */

/* Avatar */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    border-radius: 9999px; /* rounded-full */
    flex-shrink: 0;
    position: relative;
}

.avatar-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: 9999px;
    background-color: var(--primary);
    color: var(--primary-foreground);
    font-weight: 600;
}

/* Card */
.card {
    background-color: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: box-shadow 0.3s ease;
}
.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

/* Specific to Dashboard stat cards */
.card-header-flex {
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
    border-bottom: none;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.card-title-sm {
    font-size: 0.875rem; /* text-sm */
    font-weight: 500;
    color: var(--muted-foreground);
}

.card-description {
    color: var(--muted-foreground);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem; /* space-y-4 */
}

.card-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    background-color: var(--background);
    display: flex;
    justify-content: flex-end;
    border-bottom-left-radius: var(--radius);
    border-bottom-right-radius: var(--radius);
}

/* Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
}
.btn-primary:hover {
    opacity: 0.9;
}

.btn-success { /* From notifications */
    background-color: var(--primary); /* Using primary for consistency */
    color: var(--primary-foreground);
}
.btn-success:hover {
    opacity: 0.9;
}

.btn-ghost {
    background-color: transparent;
    color: var(--sidebar-foreground);
}
/* --- UPDATED: Logout button hover --- */
.btn-ghost:hover {
    background-color: #334155; /* Match nav link hover */
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border);
    color: var(--text);
}
.btn-outline:hover {
    background-color: var(--secondary);
}

.btn-icon {
    background-color: transparent;
    border: none;
    padding: 0.5rem;
    color: var(--muted-foreground);
    border-radius: 8px;
}
.btn-icon:hover {
    background-color: var(--secondary);
    color: var(--primary);
}


/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px; /* rounded-full */
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.2;
}

.badge-secondary {
    background-color: var(--muted);
    color: var(--secondary-foreground);
    font-size: 0.875rem; /* Standardizing badge size */
}

/* --- 7. Utility Classes --- */
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-destructive { color: var(--destructive); }

/* --- NEW UTILITY CLASS --- */
.hidden {
    display: none !important;
}

/* --- 8. Page: Dashboard --- */
.dashboard-page h1 { font-size: 1.875rem; font-weight: 700; }
.dashboard-page h3 { font-size: 1.25rem; font-weight: 600; }

.stats-grid {
    display: grid;
    gap: 1.5rem; /* gap-6 */
    grid-template-columns: repeat(1, 1fr);
}

.profile-content {
    display: flex;
    align-items: flex-start;
    gap: 1rem; /* gap-4 */
    justify-content: space-between;
}

.profile-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.profile-info p {
    color: var(--muted-foreground);
}

.profile-skills {
    display: flex;
    gap: 0.5rem; /* gap-2 */
    margin-top: 0; /* Removed margin-top */
    flex-wrap: wrap; /* Fix for modal skills overflow */
}

.skill-badge {
    padding: 0.25rem 0.75rem; /* px-3 py-1 */
    background-color: var(--secondary);
    color: var(--secondary-foreground);
    border-radius: 9999px; /* rounded-full */
    font-size: 0.875rem; /* text-sm */
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem; /* gap-4 */
    padding-bottom: 1rem; /* pb-4 */
    border-bottom: 1px solid var(--border);
}
.activity-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.activity-dot {
    height: 0.5rem; /* h-2 */
    width: 0.5rem; /* w-2 */
    border-radius: 9999px;
    background-color: var(--primary);
    flex-shrink: 0;
}

.activity-info {
    flex: 1;
}
.activity-info p {
    font-weight: 500;
}
.activity-info .sub {
    font-size: 0.875rem; /* text-sm */
    color: var(--muted-foreground);
    font-weight: 400;
}
.activity-time {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* --- 9. Page: Discover & My Projects --- */
.discover-page h3 { font-size: 1.125rem; font-weight: 600; } /* Card Title */
.my-projects-page h3 { font-size: 1.125rem; font-weight: 600; } /* Matched font size */

/* Leaderboard list style */
.discover-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem; 
}

/* Leaderboard card style */
.discover-card {
    display: flex;
    flex-direction: row; 
    align-items: center;
}

.discover-card .card-content {
    flex: 1; 
    border-right: 1px solid var(--border);
    display: block; 
    padding-bottom: 1.5rem; 
}

.discover-card-info {
    display: flex;
    align-items: center;
    gap: 1.5rem; 
    color: var(--muted-foreground);
    margin-top: 1rem; 
}

.discover-card-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Skills are in the modal, not the card */
.discover-card-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 1rem;
}

/* Action button area on the card */
.discover-card-actions {
    display: flex;
    flex-direction: column; 
    gap: 0.75rem;
    padding: 1.5rem;
    margin: 0;
    border: none;
    width: 200px; 
    align-items: stretch;
    /* This rule is for My Projects page */
    background-color: var(--background);
    border-bottom-left-radius: var(--radius);
    border-bottom-right-radius: var(--radius);
}

/* This is for the Discover page, overrides background */
.discover-page .discover-card-actions {
    background-color: transparent;
}

.discover-card-actions .btn {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    width: 100%; 
}

/* --- 10. Page: Project Detail --- */
#project-title {
    margin-bottom: 0.5rem;
}

.project-detail-page h2 { font-size: 1.125rem; font-weight: 600; }
.project-detail-page h3 { font-size: 1rem; font-weight: 500; }

.project-tabs {
    display: flex;
    align-items: center;
    border-bottom: 2px solid var(--border);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.project-tab-item {
    padding: 0.75rem 1rem;
    font-weight: 500;
    color: var(--muted-foreground);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px; 
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none; 
    border-left: none;
    border-right: none;
    border-top: none;
    font-size: inherit;
    font-family: inherit;
}

.project-tab-item:hover {
    color: var(--text);
}

.project-tab-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.project-tab-content {
    display: none; /* Hidden by default */
}
.project-tab-content.active {
    display: block; /* Shown when active */
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}
.task-item:last-child {
    border-bottom: none;
}

.task-item-content {
    flex: 1;
}

.task-item-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.task-item-assignee {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted-foreground);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.task-item-assignee .avatar {
    height: 24px;
    width: 24px;
}
.task-item-assignee .avatar-fallback {
    font-size: 0.75rem;
}


/* File Table */
.file-table-wrapper {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--card);
}

.file-table {
    width: 100%;
    border-collapse: collapse;
}

.file-table th,
.file-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.file-table th {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.file-table tr:last-child td {
    border-bottom: none;
}

.file-name-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.file-name-cell .icon {
    height: 1.25rem;
    width: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
}

.file-name-cell span {
    font-weight: 500;
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.file-actions .btn-icon {
    width: 32px; 
    height: 32px; 
    padding: 0; 
}

/* Members Grid */
.members-grid {
    display: grid;
    gap: 1.5rem;
}

.member-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
}

.member-info {
    flex: 1;
}

.member-name {
    font-size: 1.125rem;
    font-weight: 600;
}

.member-email {
    color: var(--muted-foreground);
    font-size: 0.9rem;
}

.member-role {
    font-weight: 500;
    color: var(--primary);
}

/* --- 11. Page: Chat --- */
.chat-page {
    overflow: hidden; 
    height: 100vh; 
}
.chat-page .app-layout {
    height: 100vh;
}
.chat-page .main-content {
    flex: 1; 
    padding: 0; 
    height: 100vh; 
    overflow-y: hidden; 
}
.chat-layout {
    display: flex;
    flex: 1;
    height: 100%; 
    overflow: hidden; 
}
.chat-sidebar {
    width: 320px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    background-color: var(--card);
    flex-shrink: 0;
}
.chat-sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.chat-sidebar-header h2 {
    font-size: 1.25rem;
}
.chat-sidebar-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}
.chat-list-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}
.chat-list-item:hover {
    background-color: var(--secondary);
}
.chat-list-item.active {
    background-color: var(--primary);
    color: var(--primary-foreground);
    border-left: 4px solid var(--primary-foreground); 
    padding-left: calc(0.75rem - 4px); /* Adjust padding */
}
.chat-list-item.active .avatar-fallback {
    background-color: var(--primary-foreground); 
    color: var(--primary);
}
.chat-list-item.active .chat-list-snippet {
    color: var(--primary-foreground);
    opacity: 0.9;
}
.online-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--success);
    border: 2px solid var(--card);
}
.chat-list-content {
    flex: 1;
    min-width: 0; /* Prevents overflow */
}
.chat-list-name {
    font-weight: 600;
}
.chat-list-snippet {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--background);
}
.chat-window-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--card);
}
.chat-window-header .online-indicator {
    border-color: var(--card); /* Match header background */
}
.chat-window-status {
    font-size: 0.875rem;
    color: var(--success);
}
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.chat-messages .empty-chat-message {
    text-align: center;
    color: var(--muted-foreground);
    padding-top: 5rem;
    font-size: 1.125rem;
}
.message-bubble {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
}
.message-content {
    max-width: 70%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
}
.message-bubble.sender .message-content {
    background-color: var(--primary);
    color: var(--primary-foreground);
    border-bottom-right-radius: 4px;
}
.message-bubble.receiver {
    justify-content: flex-start;
}
.message-bubble.receiver .message-content {
    background-color: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}
.message-bubble.sender {
    justify-content: flex-end;
}
.message-bubble .avatar {
    order: -1; /* Puts avatar first for receiver */
}
.message-bubble.sender .avatar {
    display: none; /* Hide sender avatar for cleaner look */
}
.message-bubble .message-text {
    line-height: 1.5;
}
.chat-input-area {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    background-color: var(--card);
}
.chat-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.5rem 0.5rem 1rem;
}
.chat-input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0,123,255,0.2);
}
.chat-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 1rem;
    color: var(--text);
}
.chat-send-btn {
    background-color: var(--primary);
    color: var(--primary-foreground);
    border: none;
    border-radius: 6px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: opacity 0.2s ease;
}
.chat-send-btn:hover {
    opacity: 0.9;
}

/* --- 12. Page: Notifications --- */
.notifications-page .main-container {
    max-width: 1024px;
}
.notification-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border);
}
.notification-item:last-child {
    border-bottom: none;
}
.notifications-page .card-content {
    padding: 0;
}
.notification-item.unread {
    border-left: 4px solid var(--primary);
    background-color: #f7fbff; /* Very light blue */
}
.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.notification-item.unread .notification-icon {
    background-color: white; /* Contrast from unread bg */
}
.notification-icon .icon {
    height: 1.25rem;
    width: 1.25rem;
    color: var(--primary);
}
.notification-content {
    flex: 1;
}
.notification-message {
    font-weight: 500;
}
.notification-message strong {
    color: var(--text);
    font-weight: 600;
}
.notification-time {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-top: 0.25rem;
}
.notification-actions {
    margin-top: 1rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
}

/* --- 13. Page: Profile Settings --- */
.settings-page .main-container {
    max-width: 1024px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem; /* space-y-2 */
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
label {
    font-size: 0.875rem;
    font-weight: 500;
}
input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--background); /* Added for consistency */
}
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
    border-color: var(--primary);
    background-color: var(--card);
}
.profile-avatar-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Toast (Alert) Style */
.toast {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    background-color: var(--success);
    color: var(--primary-foreground);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    font-weight: 500;
    z-index: 200;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* --- 14. File Upload Component --- */
.upload-form .card-content {
    padding-bottom: 0.5rem; /* Give space for input */
}
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    background-color: var(--background);
    position: relative;
    cursor: pointer;
    transition: background-color 0.2s ease;
}
.upload-area:hover {
    background-color: var(--secondary);
    border-color: var(--primary);
}
.upload-icon {
    width: 40px;
    height: 40px;
    background-color: var(--secondary);
    color: var(--primary);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.upload-area:hover .upload-icon {
    background-color: var(--card);
}
.upload-area .sub {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-top: 0.25rem;
}
.upload-input {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0; /* Makes the default input invisible */
    cursor: pointer;
}

/* --- 15. Responsive --- */
@media (min-width: 768px) { /* md: */
    /* Dashboard */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    /* Discover / My Projects */
    /* .discover-grid is now flex, no grid columns */
    
    /* Project Detail */
    .members-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    /* Settings */
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) { /* lg: */
    /* Discover / My Projects */
    /* .discover-grid is now flex, no grid columns */
}

/* --- 16. Modal Styles --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-content {
    background-color: var(--card);
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}
.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}
.modal-overlay.show .modal-content {
    transform: translateY(0);
}
.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header .card-title {
    margin-bottom: 0; 
}
.modal-close-btn {
    background-color: transparent;
    border: none;
    padding: 0.5rem;
    color: var(--muted-foreground);
    border-radius: 8px;
    cursor: pointer;
    line-height: 1; 
}
.modal-close-btn:hover {
    background-color: var(--secondary);
    color: var(--primary);
}
.modal-close-btn .icon {
    height: 1.25rem;
    width: 1.25rem;
}
.modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* Space between form groups */
    max-height: 70vh;
    overflow-y: auto;
}

/* Fix for "weird" textarea in modal */
.modal-body textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--background);
    font-family: inherit;
    line-height: 1.6;
    min-height: 150px; /* Give it a good default height */
}
.modal-body textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
    border-color: var(--primary);
    background-color: var(--card);
}

select.input-field {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--background);
    font-family: inherit; /* Ensure font is consistent */
}
select.input-field:focus {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
    border-color: var(--primary);
    background-color: var(--card);
}

/* You can add this to your style.css */
.link {
    color: var(--primary);
    text-decoration: none;
    transition: opacity 0.2s;
}
.link:hover {
    text-decoration: underline;
    opacity: 0.8;
}