@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
    --bg-main: #060913;
    --bg-card: #0f172a;
    --bg-card-hover: #1e293b;
    --bg-input: #0b0f19;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-glow: rgba(16, 185, 129, 0.25);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --color-primary: #10b981; /* Emerald */
    --color-primary-rgb: 16, 185, 129;
    --color-secondary: #0ea5e9; /* Sky Blue */
    --color-secondary-rgb: 14, 165, 233;
    --color-accent: #f59e0b; /* Amber */
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #f43f5e;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --border-radius-sm: 6px;
    --border-radius-md: 14px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    
    --box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
    --box-shadow-hover: 0 20px 40px -15px rgba(16, 185, 129, 0.15);
    
    --transition-speed: 0.25s;
    --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    letter-spacing: -0.01em;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-speed);
}

a:hover {
    color: var(--color-secondary);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* Typography Helpers */
.title-large {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #ffffff 40%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
    .title-large {
        font-size: 2rem;
    }
}

/* Premium Navigation Header */
.app-header {
    background-color: rgba(6, 9, 19, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.875rem 2rem;
}

@media (max-width: 1024px) {
    .app-header {
        padding: 0.75rem 1.25rem;
    }
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.5));
    transition: transform var(--transition-bounce) 0.3s;
}

.logo-link:hover .logo-icon {
    transform: translateY(-3px) rotate(15deg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
}

.nav-item-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.925rem;
    padding: 0.55rem 1rem;
    border-radius: 50px;
    transition: all var(--transition-speed) var(--transition-bounce);
    display: inline-block;
    border: 1px solid transparent;
}

.nav-item-link:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-item-link.active {
    color: var(--color-primary);
    background-color: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.15);
    font-weight: 600;
}

.nav-auth-buttons {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: 0.5rem;
}

/* Custom User Pill Button for Logout */
.nav-auth-buttons form button {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.5rem 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.nav-auth-buttons form button:hover {
    background-color: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.25);
    color: var(--color-danger);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.1);
}

/* Mobile Toggle Hamburger */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.75rem;
    cursor: pointer;
}

/* Main Container Layout */
.main-wrapper {
    flex: 1;
    max-width: 1250px;
    width: 100%;
    margin: 0 auto;
    padding: 2.5rem 2rem;
}

@media (max-width: 768px) {
    .main-wrapper {
        padding: 1.5rem 1rem;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.8rem 1.6rem;
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-bounce);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #059669 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #10b981 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.35);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.25);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: var(--border-radius-sm);
}

.btn-full {
    width: 100%;
}

/* Responsive Grid Systems */
.grid-cols-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-cols-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-cols-sidebar {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2.5rem;
}

@media (max-width: 992px) {
    .grid-cols-sidebar {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .grid-cols-2, .grid-cols-3 {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

/* Glassmorphic Premium Cards */
.card {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02) 80%);
    pointer-events: none;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
    border-color: var(--border-color-glow);
    background-color: rgba(22, 31, 48, 0.85);
}

.card-header {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.1rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-speed);
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    background-color: rgba(11, 15, 25, 0.8);
}

textarea.form-control {
    resize: vertical;
    min-height: 130px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--color-primary);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-secondary {
    background-color: rgba(14, 165, 233, 0.12);
    color: var(--color-secondary);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.12);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
    background-color: rgba(244, 63, 94, 0.12);
    color: var(--color-danger);
    border: 1px solid rgba(244, 63, 94, 0.2);
}

/* Alerts */
.alert {
    padding: 1.1rem 1.4rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 2rem;
    border: 1px solid transparent;
    font-weight: 500;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.25);
    color: #a7f3d0;
}

.alert-danger {
    background-color: rgba(244, 63, 94, 0.08);
    border-color: rgba(244, 63, 94, 0.25);
    color: #fecdd3;
}

/* Roadmaps & Checklist Progress */
.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.25rem;
    border-radius: var(--border-radius-md);
    background-color: rgba(11, 15, 25, 0.4);
    margin-bottom: 1rem;
    border-left: 4px solid var(--border-color);
    transition: all var(--transition-speed);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--border-color);
}

.checklist-item.completed {
    border-left-color: var(--color-primary);
    background-color: rgba(16, 185, 129, 0.02);
    border-color: rgba(16, 185, 129, 0.1);
}

.checklist-checkbox {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.8rem;
    color: #ffffff;
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition-speed);
    text-decoration: none;
    line-height: 1;
}

.checklist-checkbox:hover,
.checklist-checkbox:focus-visible {
    color: #ffffff;
    border-color: var(--color-primary);
    background-color: rgba(16, 185, 129, 0.12);
}

.checklist-checkbox:focus-visible {
    outline: 3px solid rgba(16, 185, 129, 0.35);
    outline-offset: 2px;
}

.checklist-item.completed .checklist-checkbox {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checklist-details h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.checklist-details p {
    font-size: 0.825rem;
    color: var(--text-secondary);
}

/* Dynamic Tabs Panel */
.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
    gap: 0.5rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.85rem 1.25rem;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    transition: color var(--transition-speed);
    border-radius: 8px 8px 0 0;
}

.tab-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.02);
}

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

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 50px;
    filter: drop-shadow(0 0 5px rgba(16, 185, 129, 0.5));
}

/* Chat Console Styling */
.chat-container {
    height: 520px;
    display: flex;
    flex-direction: column;
    background-color: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.chat-header-bar {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: rgba(11, 15, 25, 0.6);
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chat-message {
    max-width: 70%;
    padding: 1rem 1.35rem;
    border-radius: 18px;
    line-height: 1.6;
    font-size: 0.95rem;
    word-break: break-word;
}

@media (max-width: 768px) {
    .chat-message {
        max-width: 85%;
    }
}

.chat-message.ai {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    border: 1px solid var(--border-color);
}

.chat-message.user {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #0369a1 100%);
    color: #ffffff;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.15);
}

.chat-input-bar {
    padding: 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.85rem;
    background-color: rgba(11, 15, 25, 0.6);
}

/* Forums & Community items */
.forum-item {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: background-color var(--transition-speed);
}

.forum-item:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.forum-meta-badge {
    width: 54px;
    height: 54px;
    border-radius: var(--border-radius-md);
    background-color: rgba(11, 15, 25, 0.6);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.forum-meta-count {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--color-primary);
}

.forum-reply-box {
    border-left: 3px solid var(--border-color);
    padding-left: 1.5rem;
    margin-bottom: 2rem;
}

.forum-reply-box.mentor-answer {
    border-left-color: var(--color-primary);
    background-color: rgba(16, 185, 129, 0.04);
    padding: 1.25rem 1.5rem;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-left: 4px solid var(--color-primary);
}

/* Jobs Board Card Layout */
.job-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.job-meta-row {
    display: flex;
    gap: 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .job-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }
}

/* Collapsible Lesson step details */
.lesson-card {
    border-left: 5px solid var(--color-secondary);
}

.lesson-step {
    padding-left: 1.75rem;
    border-left: 2px solid var(--border-color);
    position: relative;
    padding-bottom: 1.75rem;
}

.lesson-step::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 2px solid var(--color-secondary);
    transition: all var(--transition-speed);
}

.lesson-step.completed::before {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
}

/* Mobile responsive navigation drawer */
@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 300px;
        height: calc(100vh - 60px);
        background-color: rgba(6, 9, 19, 0.95);
        backdrop-filter: blur(25px);
        border-right: 1px solid var(--border-color);
        flex-direction: column;
        align-items: stretch;
        padding: 3rem 2rem;
        transition: left var(--transition-speed) cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1000;
        box-shadow: 20px 0 50px rgba(0, 0, 0, 0.8);
        gap: 1rem;
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .mobile-nav-toggle {
        display: block;
    }

    .nav-auth-buttons {
        margin-top: 2rem;
        flex-direction: column;
        width: 100%;
        margin-left: 0;
    }
    
    .nav-auth-buttons form, .nav-auth-buttons form button {
        width: 100%;
    }
}

/* CV Document Styles (Print Ready) */
.cv-preview-card {
    background-color: #ffffff;
    color: #0f172a;
    padding: 3.5rem;
    border-radius: var(--border-radius-md);
    max-width: 850px;
    margin: 2rem auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

/* Footer layout */
.app-footer {
    background-color: rgba(6, 9, 19, 0.95);
    border-top: 1px solid var(--border-color);
    padding: 3.5rem 2rem;
    margin-top: auto;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    font-weight: 500;
}

.footer-link:hover {
    color: var(--text-primary);
}