/* =========================================================
   RetroTahta - Agile Retrospektif Tahtasi
   Modern, kanban-themed CSS with sticky note elements
   ========================================================= */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #F8F9FC;
    --color-surface: #FFFFFF;
    --color-text: #2D3436;
    --color-text-secondary: #636E72;
    --color-text-light: #B2BEC3;
    --color-border: #E8ECF1;
    --color-primary: #6C5CE7;
    --color-primary-hover: #5A4BD1;
    --color-primary-light: #A29BFE;
    --color-primary-bg: #F0EEFF;
    --color-green: #00B894;
    --color-green-light: #E8FBF5;
    --color-green-bg: #FDFFF5;
    --color-red: #E17055;
    --color-red-light: #FDECEB;
    --color-red-bg: #FFF5F5;
    --color-purple: #6C5CE7;
    --color-purple-light: #F0EEFF;
    --color-purple-bg: #F8F5FF;
    --color-orange: #FDCB6E;
    --color-blue: #74B9FF;
    --color-teal: #00CEC9;
    --color-danger: #D63031;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-handwritten: 'Caveat', cursive;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-card: 2px 3px 8px rgba(0,0,0,0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 200ms ease;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
    background: var(--color-primary);
    color: #FFF;
    border-color: var(--color-primary);
}
.btn--primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    box-shadow: 0 4px 15px rgba(108,92,231,0.35);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn--outline:hover {
    background: var(--color-primary);
    color: #FFF;
}

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

.btn--white {
    background: #FFF;
    color: var(--color-primary);
    border-color: #FFF;
}
.btn--white:hover {
    background: var(--color-primary-bg);
    box-shadow: 0 4px 15px rgba(255,255,255,0.3);
}

.btn--danger {
    background: var(--color-danger);
    color: #FFF;
    border-color: var(--color-danger);
}
.btn--danger:hover { opacity: 0.9; }

.btn--sm { padding: 6px 14px; font-size: 13px; }
.btn--lg { padding: 14px 32px; font-size: 16px; }
.btn--full { width: 100%; }
.btn--icon {
    width: 36px; height: 36px;
    padding: 0; border-radius: 50%;
    font-size: 18px;
}

/* --- Navbar --- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--color-text);
}
.navbar-brand:hover { text-decoration: none; }

.brand-icon {
    font-size: 24px;
    color: var(--color-primary);
}

.brand-text {
    font-size: 20px;
    font-weight: 400;
    letter-spacing: -0.5px;
}
.brand-text strong { font-weight: 800; }

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-bg);
    text-decoration: none;
}
.nav-link--subtle { font-size: 13px; }

.nav-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFF;
    font-weight: 700;
    font-size: 14px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.navbar-toggle span {
    width: 22px; height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- Modal --- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal.active { display: flex; }

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.25s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
    position: absolute;
    top: 16px; right: 16px;
    background: none; border: none;
    font-size: 24px;
    color: var(--color-text-light);
    cursor: pointer;
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.modal-close:hover { background: var(--color-bg); color: var(--color-text); }

.modal-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
}

.modal-footer-text {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* --- Forms --- */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-main);
    font-size: 15px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text);
    transition: all var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-error {
    background: var(--color-red-light);
    color: var(--color-danger);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
}

.form-success {
    background: var(--color-green-light);
    color: #00796B;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
}

/* --- Hero --- */
.hero {
    padding: 80px 0 60px;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.hero-highlight {
    background: linear-gradient(135deg, var(--color-primary), #A29BFE);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Board Visual */
.hero-visual {
    position: relative;
}

.hero-board {
    display: flex;
    gap: 14px;
    padding: 20px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.hero-column {
    flex: 1;
    min-width: 0;
}

.hero-col-header {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    text-align: center;
}
.hero-column--green .hero-col-header { background: var(--color-green-light); color: var(--color-green); }
.hero-column--red .hero-col-header { background: var(--color-red-light); color: var(--color-red); }
.hero-column--purple .hero-col-header { background: var(--color-purple-light); color: var(--color-purple); }

.hero-card {
    background: #FFFDE7;
    padding: 14px;
    border-radius: 2px;
    margin-bottom: 10px;
    box-shadow: var(--shadow-card);
    font-family: var(--font-handwritten);
    font-size: 16px;
    line-height: 1.4;
    position: relative;
    transition: transform 0.3s ease;
}
.hero-card::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 30px; height: 10px;
    background: rgba(0,0,0,0.08);
    border-radius: 0 0 4px 4px;
}
.hero-card--tilt-left { transform: rotate(-1.5deg); }
.hero-card--tilt-right { transform: rotate(1.2deg); }
.hero-card:hover { transform: rotate(0deg) scale(1.03); }

.hero-card p {
    color: var(--color-text);
    margin-bottom: 8px;
}

.hero-card-votes {
    display: inline-block;
    font-family: var(--font-main);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-bg);
    padding: 2px 8px;
    border-radius: 50px;
}

/* --- Sections --- */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-badge {
    display: inline-block;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* --- Features --- */
.features {
    padding: 80px 0;
    background: var(--color-surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.feature-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 18px;
}
.feature-icon--green { background: var(--color-green-light); color: var(--color-green); }
.feature-icon--blue { background: #EBF5FB; color: var(--color-blue); }
.feature-icon--purple { background: var(--color-purple-light); color: var(--color-purple); }
.feature-icon--orange { background: #FFF8E1; color: #F39C12; }
.feature-icon--red { background: var(--color-red-light); color: var(--color-red); }
.feature-icon--teal { background: #E0F7FA; color: var(--color-teal); }

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* --- How It Works --- */
.how-it-works {
    padding: 80px 0;
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
}

.step {
    text-align: center;
    max-width: 280px;
    padding: 32px 24px;
}

.step-number {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #FFF;
    font-size: 22px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
}

.step h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.step p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.step-arrow {
    font-size: 28px;
    color: var(--color-text-light);
    margin-top: 48px;
}

/* --- CTA --- */
.cta {
    padding: 80px 0;
}

.cta-content {
    background: linear-gradient(135deg, var(--color-primary), #A29BFE);
    padding: 64px;
    border-radius: var(--radius-xl);
    text-align: center;
    color: #FFF;
}

.cta-content h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
}

.cta-content p {
    font-size: 17px;
    opacity: 0.9;
    margin-bottom: 28px;
}

/* --- Footer --- */
.footer {
    background: var(--color-text);
    color: #FFF;
    padding: 48px 0 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .brand-icon { color: var(--color-primary-light); }
.footer-brand .brand-text { color: #FFF; }

.footer-tagline {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-col h4 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.4);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    text-decoration: none;
}
.footer-col a:hover { color: #FFF; text-decoration: none; }

.footer-bottom {
    padding: 20px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.3);
    text-align: center;
}

/* =========================================================
   Board Page Styles
   ========================================================= */

.board-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
}

.board-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.board-title-section h1 {
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.board-sprint-badge {
    font-size: 12px;
    font-weight: 600;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    padding: 3px 10px;
    border-radius: 50px;
}

.board-status-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.board-status-badge--active { background: var(--color-green-light); color: var(--color-green); }
.board-status-badge--completed { background: var(--color-red-light); color: var(--color-red); }

.board-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Timer */
.timer {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 6px 14px;
    font-size: 14px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.timer-display {
    min-width: 60px;
    text-align: center;
}

.timer.timer--warning { border-color: var(--color-orange); color: #E67E22; }
.timer.timer--danger { border-color: var(--color-danger); color: var(--color-danger); animation: pulse 1s infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.timer-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    padding: 2px;
    color: inherit;
}

/* --- Kanban Board --- */
.board-container {
    padding: 24px 0;
    min-height: calc(100vh - 200px);
}

.kanban {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    overflow-x: auto;
    padding-bottom: 24px;
}

.kanban-column {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.column-header {
    padding: 16px 18px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.column-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.column-icon {
    width: 28px; height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: #FFF;
}

.column-count {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 50px;
    color: var(--color-text-secondary);
}

.column-body {
    padding: 12px;
    flex: 1;
    min-height: 200px;
    transition: background 0.2s ease;
}

.column-body.drag-over {
    background: rgba(108, 92, 231, 0.05);
    border-radius: var(--radius-md);
}

/* --- Sticky Note Cards --- */
.card {
    background: #FFFDE7;
    border: none;
    border-radius: 2px;
    padding: 16px;
    margin-bottom: 10px;
    box-shadow: var(--shadow-card);
    cursor: grab;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    font-family: var(--font-handwritten);
    font-size: 17px;
    line-height: 1.4;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 12px;
    background: rgba(0,0,0,0.06);
    border-radius: 0 0 4px 4px;
}

/* Alternate tilt for visual interest */
.card:nth-child(odd) { transform: rotate(-0.8deg); }
.card:nth-child(even) { transform: rotate(0.6deg); }
.card:nth-child(3n) { transform: rotate(-0.3deg); }

.card:hover {
    transform: rotate(0deg) translateY(-2px);
    box-shadow: 4px 6px 16px rgba(0,0,0,0.15);
    z-index: 2;
}

.card:active {
    cursor: grabbing;
    box-shadow: 6px 8px 20px rgba(0,0,0,0.2);
    z-index: 10;
}

.card.dragging {
    opacity: 0.5;
    transform: rotate(3deg);
}

/* Card color variants based on column */
.column-green .card { background: #F0FFF4; }
.column-red .card { background: #FFF5F5; }
.column-purple .card { background: #F8F5FF; }

.card-content {
    word-wrap: break-word;
    margin-bottom: 12px;
    color: var(--color-text);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-main);
    font-size: 12px;
}

.card-author {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-secondary);
}

.card-author-avatar {
    width: 20px; height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: #FFF;
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.vote-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 3px 10px;
    border-radius: 50px;
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    transition: all var(--transition);
}
.vote-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-bg);
}
.vote-btn.voted {
    background: var(--color-primary);
    color: #FFF;
    border-color: var(--color-primary);
}

.card-delete {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text-light);
    padding: 2px 6px;
    border-radius: 4px;
    transition: var(--transition);
    opacity: 0;
}
.card:hover .card-delete { opacity: 1; }
.card-delete:hover { color: var(--color-danger); background: var(--color-red-light); }

/* --- Add Card --- */
.add-card-form {
    padding: 12px;
    border-top: 1px solid var(--color-border);
}

.add-card-btn {
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-light);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}
.add-card-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

.card-input-area {
    display: none;
}
.card-input-area.active {
    display: block;
}

.card-input-area textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-family: var(--font-main);
    font-size: 14px;
    resize: none;
    min-height: 80px;
    margin-bottom: 8px;
    outline: none;
}

.card-input-actions {
    display: flex;
    gap: 8px;
}

/* =========================================================
   Dashboard Styles
   ========================================================= */

.dashboard {
    padding: 40px 0;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.dashboard-header h1 {
    font-size: 28px;
    font-weight: 800;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-primary);
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.boards-section h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.boards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 18px;
    margin-bottom: 40px;
}

.board-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--color-text);
    display: block;
}
.board-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
    text-decoration: none;
}

.board-card-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
}

.board-card-sprint {
    font-size: 13px;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.board-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--color-text-secondary);
}

.board-card-cards-count {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* --- Create Board Modal --- */
.create-board-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* --- Team / Invite Page --- */
.invite-page {
    padding: 80px 0;
    text-align: center;
}

.invite-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 48px;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.invite-card h1 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 12px;
}

.invite-card .team-name {
    font-size: 20px;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 24px;
}

.invite-code-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 24px 0;
}

.invite-code-display code {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 4px;
    background: var(--color-bg);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    border: 2px dashed var(--color-border);
    color: var(--color-primary);
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-secondary);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 20px;
}

/* --- Action Items --- */
.action-items-section {
    margin-top: 24px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 20px;
}

.action-items-section h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}
.action-item:last-child { border-bottom: none; }

.action-item-checkbox {
    width: 20px; height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    background: none;
}
.action-item-checkbox:hover { border-color: var(--color-primary); }
.action-item-checkbox.checked {
    background: var(--color-green);
    border-color: var(--color-green);
    color: #FFF;
    font-size: 12px;
}

.action-item-content {
    flex: 1;
    font-size: 14px;
}
.action-item-content.done {
    text-decoration: line-through;
    color: var(--color-text-light);
}

.action-item-assignee {
    font-size: 12px;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    padding: 2px 10px;
    border-radius: 50px;
}

.action-item-delete {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-light);
    font-size: 16px;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
}
.action-item-delete:hover {
    color: var(--color-danger);
    background: var(--color-red-light);
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--color-text);
    color: #FFF;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    max-width: 360px;
}
.toast--success { background: var(--color-green); }
.toast--error { background: var(--color-danger); }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
    from { opacity: 1; }
    to { opacity: 0; transform: translateY(-10px); }
}

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

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-title { font-size: 38px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .navbar-menu { display: none; }
    .navbar-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: 20px 24px;
        gap: 12px;
        box-shadow: var(--shadow-md);
    }
    .navbar-toggle { display: flex; }

    .hero { padding: 48px 0 40px; }
    .hero-title { font-size: 32px; }
    .hero-subtitle { font-size: 16px; }
    .hero-board { flex-direction: column; gap: 10px; }

    .features-grid { grid-template-columns: 1fr; }

    .steps { flex-direction: column; align-items: center; }
    .step-arrow { transform: rotate(90deg); margin: 0; }

    .cta-content { padding: 40px 24px; }
    .cta-content h2 { font-size: 24px; }

    .footer-inner { flex-direction: column; gap: 32px; }
    .footer-links { gap: 40px; }

    .section-title { font-size: 28px; }

    .kanban {
        flex-direction: column;
    }
    .kanban-column {
        min-width: 100%;
        max-width: 100%;
    }

    .board-header-inner { flex-direction: column; align-items: flex-start; }
    .dashboard-stats { grid-template-columns: 1fr 1fr; }
    .create-board-form .form-row { grid-template-columns: 1fr; }

    .modal-content { margin: 16px; padding: 28px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 26px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .dashboard-stats { grid-template-columns: 1fr; }
    .boards-grid { grid-template-columns: 1fr; }
}