@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@700&family=Inter:wght@400;500;600&family=Lora:ital,wght@0,400;1,400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0,0');

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

body {
    background-color: #FEFAF4;
    color: #2D2D2D;
    font-family: 'Inter', sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 64px;
    position: relative;
    z-index: 50;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    color: #2D2D2D;
}

.logo span {
    font-weight: 400;
}

.header-nav-container {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    text-decoration: none;
    color: #555;
    font-size: 14px;
    font-weight: 500;
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 24px;
}

.btn-login-text {
    text-decoration: none;
    color: #555;
    font-size: 14px;
    font-weight: 500;
}

.btn-register-outline {
    text-decoration: none;
    color: #555;
    border: 1px solid #555;
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-register-outline:hover {
    background-color: #2D2D2D;
    color: #FEFAF4;
}

.burger-menu-btn {
    display: none;
    background: transparent;
    border: 2px solid #2D2D2D;
    border-radius: 8px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    color: #2D2D2D;
}

.close-menu-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #2D2D2D;
    align-self: flex-end;
    margin-bottom: 24px;
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    z-index: 90;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 64px 20px 0;
}

.hero-title {
    font-family: 'Lora', serif;
    font-size: 48px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 24px;
}

.highlight {
    font-family: 'Caveat', cursive;
    background-color: #D26343;
    color: #fcfcfc;
    padding: 2px 16px;
    border-radius: 40px;
    display: inline-block;
    transform: rotate(-2deg);
}

.hero-subtitle {
    font-family: monospace;
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.action-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 64px;
}

.btn-primary {
    background-color: #D26343;
    color: white;
    text-decoration: none;
    padding: 12px 48px;
    border-radius: 8px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(210, 99, 67, 0.3);
    font-size: 16px;
    transition: opacity 0.2s;
    text-align: center;
    display: inline-block;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    background-color: transparent;
    color: #2D2D2D;
    text-decoration: none;
    padding: 12px 48px;
    border-radius: 8px;
    border: 1px solid #2D2D2D;
    font-weight: 500;
    font-size: 16px;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background-color: rgba(45, 45, 45, 0.05);
}

.image-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto 64px;
    display: flex;
    justify-content: center;
}

.image-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto 64px;
    display: flex;
    justify-content: center;
}

.hero-picture {
    display: flex;
    width: 100%;
    justify-content: center;
}

.hero-image {
    max-width: 100%;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.footer {
    background-color: #fff;
    padding: 48px 64px;
    border-top: 1px solid #EAEAEA;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 64px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 280px;
}

.footer-brand p {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
}

.footer-brand .footer-copy {
    margin-top: 8px;
    color: #999;
}

.footer-links {
    display: flex;
    gap: 96px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 120px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #2D2D2D;
}

.footer-column a {
    text-decoration: none;
    color: #666;
    font-size: 13px;
}

.footer-column a:hover {
    color: #D26343;
}

.auth-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.auth-card {
    background: #fff;
    padding: 48px;
    border-radius: 16px;
    border: 2px solid #2D2D2D;
    box-shadow: 8px 8px 0px #2D2D2D;
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.auth-card h2 {
    font-family: 'Lora', serif;
    font-size: 32px;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #2D2D2D;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #EAEAEA;
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #D26343;
}

.form-group input:disabled {
    background: #F5F2EC;
    color: #666;
}

.form-group input[type="file"] {
    padding: 10px 12px;
    background: #fff;
}

.auth-card .btn-primary {
    width: 100%;
    padding: 14px;
    margin-top: 12px;
}

.auth-links {
    margin-top: 24px;
    font-size: 14px;
    color: #666;
}

.auth-links a {
    color: #D26343;
    text-decoration: none;
    font-weight: 600;
}

.account-card {
    background: #fff;
    padding: 48px;
    border-radius: 16px;
    border: 2px solid #2D2D2D;
    box-shadow: 8px 8px 0px #2D2D2D;
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.account-avatar-large {
    width: 88px;
    height: 88px;
    background-color: #D26343;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 600;
    border: 2px solid #2D2D2D;
    margin: 0 auto 24px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.account-section {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 2px solid #EAEAEA;
}

.account-section h3 {
    font-family: 'Lora', serif;
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 24px;
}

.account-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.account-actions .btn-secondary {
    font-family: inherit;
    cursor: pointer;
}

.btn-danger {
    background-color: #fff;
    color: #DC2626;
    border: 2px solid #DC2626;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-family: inherit;
    font-size: 16px;
}

.btn-danger:hover {
    background-color: #DC2626;
    color: #fff;
}

.workspace-body {
    display: flex;
    flex-direction: row;
    height: 100vh;
    overflow: hidden;
    background-color: #FEFAF4;
}

.sidebar {
    width: 260px;
    flex-shrink: 0;
    border-right: 2px solid #2D2D2D;
    display: flex;
    flex-direction: column;
    padding: 24px;
    background: #FEFAF4;
    z-index: 10;
    transition: transform 0.3s ease;
}

.sidebar .logo {
    margin-bottom: 40px;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.sidebar-menu a {
    text-decoration: none;
    color: #2D2D2D;
    padding: 12px 16px;
    border-radius: 8px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.2s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: rgba(210, 99, 67, 0.1);
    color: #D26343;
}

.btn-create-sidebar {
    display: block;
    background-color: #D26343;
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 16px;
    text-align: center;
    text-decoration: none;
    font-family: inherit;
    font-size: 16px;
    width: 100%;
}

.sidebar-header-mobile {
    display: none;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.btn-close-sidebar {
    background: transparent;
    border: none;
    cursor: pointer;
    color: #2D2D2D;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.board-area {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background-image: radial-gradient(#E0DCD6 1px, transparent 1px);
    background-size: 32px 32px;
    overflow-y: auto;
}

.board-header {
    padding: 24px 40px;
    border-bottom: 2px solid #2D2D2D;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #FEFAF4;
}

.board-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.burger-btn {
    display: none;
    background: transparent;
    border: 2px solid #2D2D2D;
    border-radius: 8px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    color: #2D2D2D;
    transition: background 0.2s;
}

.burger-btn:hover {
    background: rgba(210, 99, 67, 0.1);
}

.board-title h2 {
    font-family: 'Lora', serif;
    font-size: 24px;
    color: #2D2D2D;
}

.board-title p {
    font-size: 13px;
    color: #666;
    margin-top: 4px;
}

.board-controls {
    display: flex;
    align-items: center;
    gap: 24px;
}

.search-input {
    padding: 10px 16px;
    border: 2px solid #2D2D2D;
    border-radius: 20px;
    font-size: 14px;
    width: 260px;
    background: #fff;
    outline: none;
}

.search-input:focus {
    border-color: #D26343;
}

.user-profile {
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #2D2D2D;
    cursor: pointer;
}

.avatar {
    width: 36px;
    height: 36px;
    background-color: #D26343;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border: 2px solid #2D2D2D;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.board-error {
    margin: 24px 40px 0;
    padding: 12px 16px;
    border: 2px solid #DC2626;
    border-radius: 8px;
    background: #fff;
    color: #DC2626;
    font-size: 14px;
}

.cards-grid {
    padding: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 32px;
    flex: 1;
    align-content: flex-start;
}

.note-card {
    background-color: #FEFAF4;
    border: 2px solid #2D2D2D;
    box-shadow: 6px 6px 0px #2D2D2D;
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 320px;
    position: relative;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: grab;
    will-change: transform;
    user-select: none;
}

.note-card:hover {
    transform: translateY(-4px) translateX(-4px);
    box-shadow: 10px 10px 0px #2D2D2D;
    z-index: 2;
}

.note-card.dragging,
.note-card.is-dragging {
    opacity: 0.3 !important;
    border: 2px dashed #D26343 !important;
    transform: scale(0.96) !important;
    box-shadow: none !important;
    cursor: grabbing !important;
    z-index: 10;
}

.note-card.is-trash {
    cursor: default;
    opacity: 0.85;
}

.note-card.is-editable .note-title,
.note-card.is-editable .note-content {
    cursor: pointer;
}

.note-tape {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%) rotate(-2deg);
    width: 80px;
    height: 24px;
    background-color: #E0DCD6;
    border: 1px solid #D1CDC7;
    z-index: 3;
}

.note-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 6px;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 4;
}

.note-card:hover .note-actions,
.note-card:focus-within .note-actions {
    opacity: 1;
}

.action-btn {
    background: #FEFAF4;
    border: 2px solid #2D2D2D;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s;
    color: #2D2D2D;
    font-size: 16px;
    font-family: inherit;
    padding: 0;
    overflow: hidden;
}

.action-btn .material-symbols-outlined {
    font-size: 18px;
    display: inline-block;
    max-width: 22px;
    overflow: hidden;
    white-space: nowrap;
}

.action-btn:hover {
    background: #D26343;
    color: white;
    border-color: #D26343;
    transform: scale(1.1);
}

.note-title {
    font-family: 'Caveat', cursive;
    font-size: 32px;
    margin-bottom: 16px;
    margin-top: 12px;
    color: #2D2D2D;
    overflow-wrap: anywhere;
    max-height: 2.6em;
    overflow: hidden;
}

.note-content {
    flex: 1;
    font-size: 15px;
    color: #2D2D2D;
    line-height: 1.6;
    overflow: hidden;
    overflow-wrap: anywhere;
}

.note-content ul {
    list-style: none;
}

.note-content li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-mock {
    min-width: 6px;
    height: 6px;
    border: 2px solid #2D2D2D;
    border-radius: 30px;
    margin-top: 10px;
    display: inline-block;
    background-color: #000000;
}

.note-image {
    display: block;
    max-width: 100%;
    max-height: 140px;
    margin-top: 8px;
    border: 1px solid #EAEAEA;
    border-radius: 6px;
    background: #fff;
}

.note-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #666;
    border-top: 2px solid #EAEAEA;
    padding-top: 16px;
    margin-top: 16px;
}

.badge {
    background-color: #D26343;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid #2D2D2D;
}

.add-card {
    border: 2px dashed #2D2D2D;
    box-shadow: none;
    background: transparent;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
    color: #2D2D2D;
    transform: none !important;
    font-family: inherit;
    font-size: 16px;
    width: 100%;
}

.add-card:hover {
    background-color: rgba(45, 45, 45, 0.05);
    box-shadow: none;
}

.add-icon {
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 12px;
    color: #2D2D2D;
}

.empty-hint {
    grid-column: 1 / -1;
    color: #666;
    font-size: 14px;
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(45, 45, 45, 0.6);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(2px);
    overflow-y: auto;
}

.modal-card {
    background: #FEFAF4;
    border: 2px solid #2D2D2D;
    box-shadow: 8px 8px 0px #2D2D2D;
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    padding: 40px;
    position: relative;
}

.modal-card-wide {
    max-width: 680px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: transparent;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #2D2D2D;
}

.modal-title {
    font-family: 'Lora', serif;
    font-size: 28px;
    margin-bottom: 24px;
    color: #2D2D2D;
}

.modal-card textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #EAEAEA;
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    resize: vertical;
    min-height: 120px;
    transition: border-color 0.2s;
}

.modal-card textarea:focus {
    outline: none;
    border-color: #D26343;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #2D2D2D;
}

.form-label small {
    color: #888;
    font-weight: 400;
}

.draw-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.draw-tool {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 2px solid #2D2D2D;
    border-radius: 8px;
    background: #FEFAF4;
    color: #2D2D2D;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s, color 0.2s;
    overflow: hidden;
}

.draw-tool .material-symbols-outlined {
    font-size: 20px;
    display: inline-block;
    max-width: 22px;
    overflow: hidden;
    white-space: nowrap;
}

.draw-tool:hover,
.draw-tool[aria-pressed="true"] {
    background: #D26343;
    border-color: #D26343;
    color: #fff;
}

.draw-swatches {
    display: inline-flex;
    gap: 6px;
    padding: 0 4px;
}

.draw-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid #2D2D2D;
    cursor: pointer;
    padding: 0;
}

.draw-swatch[aria-pressed="true"] {
    box-shadow: 0 0 0 3px #FEFAF4, 0 0 0 5px #D26343;
}

.draw-size,
.form-group label.draw-size {
    display: inline-flex;
    align-items: center;
    height: 36px;
    margin: 0;
    padding: 0;
}

/* Ползунок толщины: свой вид без системных отступов */
.draw-size input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    display: block;
    width: 110px;
    height: 8px;
    margin: 0;
    padding: 0;
    border: 2px solid #2D2D2D;
    border-radius: 8px;
    background: #FEFAF4;
    cursor: pointer;
}

.draw-size input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #D26343;
    border: 2px solid #2D2D2D;
    cursor: grab;
    margin-top: -7px;
}

.draw-size input[type="range"]::-webkit-slider-runnable-track {
    height: 4px;
    background: transparent;
    border: none;
}

.draw-size input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #D26343;
    border: 2px solid #2D2D2D;
    cursor: grab;
}

.draw-size input[type="range"]::-moz-range-track {
    height: 4px;
    background: transparent;
    border: none;
}

.draw-size input[type="range"]:focus-visible {
    outline: 2px solid #D26343;
    outline-offset: 3px;
}

.draw-canvas {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 800 / 440;
    background: #fff;
    border: 2px solid #2D2D2D;
    border-radius: 8px;
    cursor: crosshair;
    touch-action: none;
}

[hidden] {
    display: none !important;
}

.form-error,
.form-success {
    font-size: 14px;
    margin: 4px 0 12px;
    text-align: left;
}

.form-error {
    color: #DC2626;
}

.form-success {
    color: #2E7D32;
}

.form-error:empty,
.form-success:empty {
    display: none;
}

.form-hint {
    display: block;
    color: #888;
    font-size: 12px;
    margin-top: 6px;
}

.material-symbols-outlined {
    font-size: 22px;
}

@media (max-width: 992px) {
    .header {
        padding: 24px 40px;
    }

    .hero-title {
        font-size: 40px;
    }

    .footer {
        padding: 48px 40px;
    }

    .footer-container {
        gap: 40px;
    }

    .footer-links {
        gap: 48px;
    }

    .board-header {
        padding: 20px 24px;
    }

    .cards-grid {
        padding: 32px 24px;
        gap: 24px;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }

    .search-input {
        width: 220px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 20px;
    }

    .burger-menu-btn {
        display: flex;
    }

    .header-nav-container {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 280px;
        background: #FEFAF4;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        transform: translateX(105%);
        transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
        z-index: 100;
        border-left: 2px solid #2D2D2D;
    }

    .header-nav-container.is-open {
        transform: translateX(0);
    }

    .close-menu-btn {
        display: block;
    }

    .mobile-menu-overlay.is-open {
        display: block;
        opacity: 1;
    }

    .nav {
        flex-direction: column;
        width: 100%;
        gap: 24px;
        margin-bottom: 32px;
    }

    .nav a {
        font-size: 16px;
    }

    .auth-buttons {
        flex-direction: column;
        width: 100%;
        gap: 16px;
        align-items: stretch;
    }

    .btn-login-text,
    .btn-register-outline {
        text-align: center;
        padding: 12px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-title br {
        display: none;
    }

    .hero-subtitle br {
        display: none;
    }

    .action-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin-bottom: 48px;
    }

    .footer {
        padding: 40px 24px;
    }

    .footer-container {
        flex-direction: column;
        gap: 32px;
    }

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

    .workspace-body {
        flex-direction: column;
        overflow: auto;
    }

    .burger-btn {
        display: inline-flex;
    }

    .desktop-only {
        display: none !important;
    }

    .sidebar-header-mobile {
        display: flex;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px;
        height: 100vh;
        background: #FEFAF4;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
        transform: translateX(-105%);
        transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
        z-index: 100;
        border-right: 2px solid #2D2D2D;
    }

    .sidebar.is-open {
        transform: translateX(0);
    }

    .sidebar-backdrop.is-open {
        display: block;
        opacity: 1;
    }

    .board-header {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        padding: 16px 20px;
    }

    .board-controls {
        flex-direction: column-reverse;
        align-items: stretch;
        gap: 12px;
    }

    .search-input {
        width: 100%;
    }

    .user-profile {
        justify-content: flex-end;
    }

    .cards-grid {
        padding: 20px 16px;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .auth-card,
    .account-card {
        padding: 32px 24px;
    }

    .modal-card {
        padding: 24px 16px;
    }
}

@media (max-width: 576px) {
    .header {
        padding: 16px;
    }

    .logo {
        font-size: 20px;
    }

    .hero-title {
        font-size: 28px;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 13px;
        margin-bottom: 32px;
    }

    .action-buttons {
        width: 100%;
        max-width: none;
        gap: 12px;
        margin-bottom: 32px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 12px 24px;
        font-size: 15px;
    }

    .footer {
        padding: 32px 16px;
    }

    .footer-links {
        gap: 24px;
    }

    .footer-column {
        min-width: 100px;
    }

    .board-header {
        padding: 12px 16px;
    }

    .board-title h2 {
        font-size: 20px;
    }

    .cards-grid {
        padding: 16px 12px;
        gap: 16px;
    }

    .note-card {
        height: auto;
        min-height: 280px;
        padding: 20px;
    }

    .note-title {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .draw-toolbar {
        justify-content: center;
    }

    .modal-title {
        font-size: 24px;
        margin-bottom: 20px;
    }
}

.hero-image {
    margin-top: -50px;
    max-width: 1600px;
    height: auto;
}

/* ===== Перетаскивание карточек ===== */

.note-card {
    -webkit-touch-callout: none;
}

/* Карточку «подняли»: она едет за курсором поверх доски */
.note-card.is-moving {
    position: fixed !important;
    z-index: 1000;
    margin: 0;
    pointer-events: none;
    transition: none !important;
    transform: rotate(2deg) !important;
    box-shadow: 14px 14px 0 #2D2D2D !important;
    opacity: 0.96;
}

.note-card.is-over-trash {
    opacity: 0.55 !important;
    box-shadow: 0 0 0 3px #DC2626 !important;
}

.note-card.is-trashing {
    opacity: 0 !important;
    transform: scale(0.8) !important;
}

/* Пустая ячейка на месте, куда встанет карточка */
.note-placeholder {
    border: 2px dashed #D26343;
    border-radius: 12px;
    background: rgba(210, 99, 67, 0.06);
}

body.is-dragging-note {
    cursor: grabbing;
    user-select: none;
}

/* Во время перетаскивания карточки не «подпрыгивают» от наведения */
body.is-dragging-note .note-card:not(.is-moving):hover {
    transform: none;
    box-shadow: 6px 6px 0px #2D2D2D;
}

body.is-dragging-note .note-card:not(.is-moving) .note-actions {
    opacity: 0;
}

body.is-dragging-note .sidebar-menu a[data-tab="trash"] {
    outline: 2px dashed #DC2626;
    outline-offset: 2px;
    color: #DC2626;
}

body.is-dragging-note .sidebar-menu a[data-tab="trash"].is-drop-target {
    background: #DC2626;
    color: #fff;
}

.trash-dropzone {
    position: fixed;
    left: calc(50% + 130px);
    bottom: 24px;
    transform: translate(-50%, 200%);
    opacity: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    background: #fff;
    color: #DC2626;
    border: 2px dashed #DC2626;
    border-radius: 14px;
    box-shadow: 6px 6px 0 #2D2D2D;
    font-weight: 600;
    font-size: 15px;
    white-space: nowrap;
    z-index: 900;
    transition: transform 0.25s ease, opacity 0.25s ease, background 0.15s, color 0.15s;
}

.trash-dropzone.is-visible {
    transform: translate(-50%, 0);
    opacity: 1;
}

.trash-dropzone.is-over {
    background: #DC2626;
    color: #fff;
    border-style: solid;
    transform: translate(-50%, 0) scale(1.06);
}

body.menu-open,
body.modal-open {
    overflow: hidden;
}

/* Сенсорные экраны: кнопки на карточке видны всегда, «прыжок» при наведении не залипает */
@media (hover: none) {
    .note-actions {
        opacity: 1;
    }

    .note-card:hover {
        transform: none;
        box-shadow: 6px 6px 0px #2D2D2D;
    }

    .add-card:hover {
        box-shadow: none;
    }
}

@media (max-width: 768px) {
    .trash-dropzone {
        left: 50%;
        bottom: 16px;
        width: calc(100% - 32px);
        white-space: normal;
        text-align: center;
    }

    .modal-overlay {
        padding: 12px;
        align-items: flex-start;
    }

    .modal-card-wide {
        max-height: calc(100vh - 24px);
    }

    .modal-close {
        top: 8px;
        right: 12px;
    }

    .draw-size input[type="range"] {
        width: 96px;
    }
}

.burger-btn,
.burger-menu-btn,
.btn-close-sidebar,
.close-menu-btn {
    overflow: hidden;
}

.burger-btn .material-symbols-outlined,
.burger-menu-btn .material-symbols-outlined,
.btn-close-sidebar .material-symbols-outlined,
.close-menu-btn .material-symbols-outlined {
    display: inline-block;
    max-width: 24px;
    overflow: hidden;
    white-space: nowrap;
}

/* Планшет: две колонки карточек вместо одной растянутой */
@media (min-width: 577px) and (max-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
}