/* --- Сброс и переменные --- */
:root {
    --bg-blue: #A8D8E8;
    --card-bg-top: #FFFFFF;
    --card-bg-bot: #E3F2FD;
    --text-dark: #0A2540;
    --text-gray: #5e6d82;
    --green-btn: #5dc862;
    --green-hover: #4ba850;
    --border-dash: #cbd5e1;
    --shadow-light: rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-blue);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
}

.main-wrapper {
    width: 100%;
    max-width: 1200px;
    position: relative;
}

/* --- Карточка --- */
.card {
    background: linear-gradient(180deg, var(--card-bg-top) 0%, var(--card-bg-bot) 100%);
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* --- Хедер --- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    flex-wrap: wrap;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon svg {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
}

.nav-menu {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    position: relative;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: var(--text-dark);
}

.nav-menu a.active {
    color: var(--text-dark);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -22px;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--green-btn);
}

.btn-login {
    background-color: var(--green-btn);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background-color 0.2s, transform 0.1s;
    white-space: nowrap;
}

.btn-login:hover {
    background-color: var(--green-hover);
    transform: translateY(-1px);
}

.btn-login:active {
    transform: translateY(0);
}

/* --- Контент главной страницы --- */
.content {
    text-align: center;
    padding: 60px 20px 80px;
}

.main-title {
    color: var(--text-dark);
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 16px;
}

.subtitle {
    color: var(--text-gray);
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Зона загрузки --- */
.upload-zone {
    border: 2px dashed var(--border-dash);
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 16px;
    max-width: 600px;
    margin: 0 auto 30px;
    padding: 50px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.3s;
    cursor: pointer;
}

.upload-zone:hover {
    border-color: var(--green-btn);
    background-color: rgba(93, 200, 98, 0.05);
}

.icon-broom {
    margin-bottom: 20px;
    position: relative;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.upload-text {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 8px;
    text-align: center;
}

.upload-text a {
    color: #3b82f6;
    text-decoration: none;
    cursor: pointer;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.upload-text a:hover {
    border-bottom-color: #3b82f6;
}

.upload-formats {
    font-size: clamp(0.75rem, 2vw, 0.85rem);
    color: var(--text-gray);
    text-align: center;
}

.upload-note {
    font-size: clamp(0.7rem, 1.8vw, 0.8rem);
    color: var(--green-btn);
    text-align: center;
    margin-top: 4px;
    font-weight: 500;
}

/* --- Переключатель режимов --- */
.mode-switch {
    display: flex;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.mode-btn {
    flex: 1;
    min-width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid var(--border-dash);
    padding: 14px 20px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn:hover {
    border-color: var(--green-btn);
    background: rgba(93, 200, 98, 0.05);
}

.mode-btn.active {
    border-color: var(--green-btn);
    background: var(--green-btn);
    color: white;
}

.mode-btn svg {
    width: 20px;
    height: 20px;
}

/* --- Секьюрити --- */
.security-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-gray);
    font-size: 0.9rem;
    max-width: 600px;
    margin: 0 auto;
}

.lock-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* --- Встроенный просмотр метаданных (главная страница) --- */
.metadata-viewer-main {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    box-shadow: 0 4px 12px var(--shadow-light);
}

.metadata-viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 30px;
    border-bottom: 2px solid var(--card-bg-bot);
    flex-wrap: wrap;
    gap: 16px;
}

.metadata-filename-main {
    font-size: clamp(1rem, 3vw, 1.2rem);
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 4px 0;
    word-break: break-word;
}

.metadata-filesize-main {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin: 0;
}

.btn-back {
    background: transparent;
    color: var(--text-gray);
    border: 2px solid var(--border-dash);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-back:hover {
    border-color: var(--text-dark);
    color: var(--text-dark);
}

.metadata-viewer-content {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 400px;
}

.metadata-viewer-sidebar {
    background: rgba(255, 255, 255, 0.5);
    padding: 20px;
    border-right: 2px solid var(--card-bg-bot);
}

.metadata-actions-top {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.btn-select-all-main,
.btn-deselect-all-main {
    background: white;
    border: 2px solid var(--border-dash);
    padding: 8px 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-dark);
}

.btn-select-all-main:hover,
.btn-deselect-all-main:hover {
    border-color: var(--green-btn);
    background: rgba(93, 200, 98, 0.05);
}

.metadata-categories-main {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.metadata-viewer-details {
    padding: 20px;
    overflow-y: auto;
    max-height: 450px;
}

.metadata-list-main {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.metadata-viewer-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-top: 2px solid var(--card-bg-bot);
    flex-wrap: wrap;
    gap: 16px;
}

.metadata-summary-main {
    font-weight: 600;
    color: var(--text-dark);
}

.metadata-summary-main span {
    color: var(--green-btn);
    font-size: 1.2rem;
}

.metadata-info-text {
    font-size: 0.8rem;
    color: var(--text-gray);
    font-weight: 400;
    margin-top: 4px;
}

.btn-clean-main {
    background: var(--green-btn);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-clean-main:hover {
    background: var(--green-hover);
    transform: translateY(-1px);
}

/* --- Секция обработки --- */
.processing-section {
    max-width: 600px;
    margin: 0 auto 30px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 12px var(--shadow-light);
}

.processing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.processing-title {
    color: var(--text-dark);
    font-size: clamp(1rem, 3vw, 1.2rem);
    font-weight: 600;
    margin: 0;
}

.processing-stats {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.processing-stats span {
    color: var(--green-btn);
    font-weight: 700;
}

.progress-container {
    margin-bottom: 16px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--green-btn), #4ba850);
    transition: width 0.3s;
    border-radius: 10px;
}

.file-items-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: white;
    border-radius: 10px;
    border: 2px solid var(--border-dash);
    gap: 12px;
    flex-wrap: wrap;
}

.file-item-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.file-icon {
    width: 36px;
    height: 36px;
    background: var(--card-bg-bot);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-icon svg {
    width: 20px;
    height: 20px;
    color: var(--text-dark);
}

.file-details {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.file-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.file-status.processing {
    color: #3b82f6;
}

.file-status.complete {
    color: var(--green-btn);
}

.file-status svg {
    width: 16px;
    height: 16px;
}

.btn-download-all {
    width: 30px;
    background: var(--green-btn);
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

.btn-download-all:hover {
    background: var(--green-hover);
    transform: translateY(-1px);
}

.btn-download-all:disabled {
    background: var(--text-gray);
    cursor: not-allowed;
    transform: none;
}

.result-icon.success {
    width: 30px;
}

/* --- Футер --- */
.footer-timestamp {
    text-align: center;
    padding: 16px;
    color: rgba(10, 37, 64, 0.6);
    font-size: 0.85rem;
    font-weight: 500;
}

/* --- Страницы контента --- */
.content-page {
    padding: 40px 30px 60px;
}

.page-title {
    text-align: center;
    color: var(--text-dark);
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 12px;
}

/* --- Страница "Как это работает" --- */
.info-section {
    max-width: 800px;
    margin: 0 auto;
}

.step-card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: 0 2px 12px var(--shadow-light);
    position: relative;
}

.step-number {
    position: absolute;
    top: -16px;
    left: 30px;
    background: linear-gradient(135deg, var(--green-btn), #4ba850);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(93, 200, 98, 0.3);
}

.step-title {
    color: var(--text-dark);
    font-size: clamp(1.2rem, 3.5vw, 1.5rem);
    font-weight: 700;
    margin-bottom: 12px;
    margin-top: 8px;
}

.step-description {
    color: var(--text-gray);
    font-size: clamp(0.95rem, 2.5vw, 1.05rem);
    line-height: 1.7;
}

.cta-section {
    text-align: center;
    margin-top: 50px;
    padding: 40px 20px;
    background: linear-gradient(135deg, rgba(46, 139, 192, 0.1), rgba(93, 200, 98, 0.1));
    border-radius: 16px;
}

.cta-title {
    color: var(--text-dark);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    margin-bottom: 24px;
}

.btn-cta {
    display: inline-block;
    background: var(--green-btn);
    color: white;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-cta:hover {
    background: var(--green-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(93, 200, 98, 0.3);
}

/* --- Страница авторизации --- */
.auth-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.auth-container.single {
    grid-template-columns: 1fr;
    max-width: 500px;
}

.auth-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 12px var(--shadow-light);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input {
    padding: 12px 16px;
    border: 2px solid var(--border-dash);
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--green-btn);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.checkbox-group {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.forgot-link {
    color: #3b82f6;
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
}

.forgot-link:hover {
    text-decoration: underline;
}

.error-message {
    background: #fee;
    color: #c00;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    border: 1px solid #fcc;
}

.success-message {
    background: #efe;
    color: #060;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    border: 1px solid #cfc;
}

.btn-submit {
    background: var(--green-btn);
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-submit:hover {
    background: var(--green-hover);
    transform: translateY(-1px);
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-dash);
}

.auth-footer p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

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

.auth-footer a:hover {
    text-decoration: underline;
}

.benefits-card {
    background: linear-gradient(135deg, rgba(46, 139, 192, 0.1), rgba(93, 200, 98, 0.1));
    border-radius: 16px;
    padding: 40px;
}

.benefits-title {
    color: var(--text-dark);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-dark);
    font-size: 1rem;
}

.check-icon {
    width: 24px;
    height: 24px;
    color: var(--green-btn);
    flex-shrink: 0;
}

/* --- Dashboard --- */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.dashboard-subtitle {
    color: var(--text-gray);
    font-size: 1rem;
    margin-top: 8px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 8px var(--shadow-light);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--card-bg-bot);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-btn);
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-info {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-gray);
    line-height: 1.3;
}

.dashboard-section {
    margin-bottom: 40px;
}

.section-title {
    color: var(--text-dark);
    font-size: clamp(1.3rem, 3.5vw, 1.6rem);
    font-weight: 700;
    margin-bottom: 20px;
}

.upload-zone-dashboard {
    border: 2px dashed var(--border-dash);
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-zone-dashboard:hover {
    border-color: var(--green-btn);
    background-color: rgba(93, 200, 98, 0.05);
}

.upload-link-dashboard {
    color: #3b82f6;
    text-decoration: none;
    cursor: pointer;
}

.upload-link-dashboard:hover {
    text-decoration: underline;
}

.history-container {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    padding: 30px;
    min-height: 200px;
}

.empty-state {
    text-align: center;
    color: var(--text-gray);
    font-size: 1rem;
    padding: 40px 20px;
}

.history-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px var(--shadow-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.history-info h3 {
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.history-info p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.history-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-history {
    background: var(--green-btn);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-history:hover {
    background: var(--green-hover);
}

/* --- Metadata viewer page --- */
.metadata-viewer {
    max-width: 1000px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: 0 4px 16px var(--shadow-light);
    overflow: hidden;
}

.metadata-header {
    background: rgba(255, 255, 255, 0.9);
    padding: 24px 30px;
    border-bottom: 2px solid var(--card-bg-bot);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.metadata-file-info h2 {
    color: var(--text-dark);
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    font-weight: 700;
    margin-bottom: 4px;
    word-break: break-word;
}

.metadata-file-info p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.metadata-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-select-all,
.btn-deselect-all {
    background: white;
    border: 2px solid var(--border-dash);
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-dark);
}

.btn-select-all:hover,
.btn-deselect-all:hover {
    border-color: var(--green-btn);
    background: rgba(93, 200, 98, 0.05);
}

.metadata-content {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 400px;
}

.metadata-sidebar {
    background: rgba(255, 255, 255, 0.5);
    padding: 20px;
    border-right: 2px solid var(--card-bg-bot);
}

.metadata-categories {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.metadata-category-btn {
    background: white;
    border: 2px solid var(--border-dash);
    padding: 12px 16px;
    border-radius: 10px;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.metadata-category-btn:hover {
    border-color: var(--green-btn);
    background: rgba(93, 200, 98, 0.05);
}

.metadata-category-btn.active {
    background: var(--green-btn);
    color: white;
    border-color: var(--green-btn);
}

.category-count {
    background: var(--card-bg-bot);
    color: var(--text-dark);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
}

.metadata-category-btn.active .category-count {
    background: rgba(255, 255, 255, 0.9);
    color: var(--green-btn);
}

.metadata-details {
    padding: 20px;
    overflow-y: auto;
    max-height: 500px;
}

.metadata-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.metadata-category-header {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 16px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--card-bg-bot);
}

.metadata-item {
    background: white;
    border: 2px solid var(--border-dash);
    border-radius: 10px;
    transition: all 0.2s;
}

.metadata-item:hover {
    border-color: var(--green-btn);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.metadata-checkbox {
    display: block;
    cursor: pointer;
    padding: 14px;
}

.metadata-checkbox input[type="checkbox"] {
    float: left;
    margin-right: 12px;
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.metadata-item-content {
    overflow: hidden;
}

.metadata-item-content.critical {
    border-left: 3px solid #ef4444;
    padding-left: 10px;
}

.metadata-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.metadata-key {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.metadata-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--card-bg-bot);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-gray);
}

.badge-critical {
    display: inline-block;
    padding: 3px 8px;
    background: #ef4444;
    color: white;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
}

.metadata-value {
    color: var(--text-gray);
    font-size: 0.9rem;
    word-break: break-word;
}

.metadata-footer {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 0 0 16px 16px;
    padding: 20px 30px;
    border-top: 2px solid var(--card-bg-bot);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.metadata-summary {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1rem;
}

.metadata-summary span {
    color: var(--green-btn);
    font-size: 1.2rem;
}

.metadata-footer-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-cancel {
    background: transparent;
    color: var(--text-gray);
    border: 2px solid var(--border-dash);
    padding: 10px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-cancel:hover {
    border-color: var(--text-dark);
    color: var(--text-dark);
}

.btn-clean-selected {
    background: var(--green-btn);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-clean-selected:hover {
    background: var(--green-hover);
    transform: translateY(-1px);
}

/* --- Стили для страницы социальных сетей --- */
.social-intro {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 40px;
    text-align: center;
}

.social-description {
    color: var(--text-gray);
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.social-card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    text-decoration: none;
    transition: all 0.3s;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.social-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(93, 200, 98, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.social-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--green-btn);
}

.social-card:hover::before {
    opacity: 1;
}

.social-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.social-icon svg {
    width: 28px;
    height: 28px;
}

.social-icon.telegram {
    background: linear-gradient(135deg, #2AABEE, #229ED9);
}

.social-icon.vk {
    background: linear-gradient(135deg, #4A76A8, #5181B8);
}

.social-icon.youtube {
    background: linear-gradient(135deg, #FF0000, #CC0000);
}

.social-icon.twitter {
    background: linear-gradient(135deg, #1DA1F2, #0C85D0);
}

.social-icon.github {
    background: linear-gradient(135deg, #333, #24292E);
}

.social-icon.discord {
    background: linear-gradient(135deg, #7289DA, #5B6EAE);
}

.social-info {
    flex: 1;
    position: relative;
    z-index: 1;
    min-width: 0;
}

.social-name {
    color: var(--text-dark);
    font-size: clamp(1rem, 3vw, 1.2rem);
    font-weight: 700;
    margin-bottom: 4px;
}

.social-handle {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 6px;
    font-family: 'Courier New', monospace;
    word-break: break-all;
}

.social-desc {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.4;
}

.social-arrow {
    width: 24px;
    height: 24px;
    color: var(--text-gray);
    transition: all 0.3s;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.social-card:hover .social-arrow {
    color: var(--green-btn);
    transform: translateX(4px);
}

/* Newsletter секция */
.newsletter-section {
    background: linear-gradient(135deg, rgba(46, 139, 192, 0.1), rgba(93, 200, 98, 0.1));
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    border: 2px solid rgba(93, 200, 98, 0.2);
}

.newsletter-title {
    color: var(--text-dark);
    font-size: clamp(1.4rem, 4vw, 1.8rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.newsletter-desc {
    color: var(--text-gray);
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    margin-bottom: 24px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.newsletter-input {
    flex: 1;
    min-width: 200px;
    padding: 14px 20px;
    border: 2px solid var(--border-dash);
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s;
    background: white;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--green-btn);
}

.newsletter-button {
    background-color: var(--green-btn);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.newsletter-button:hover {
    background-color: var(--green-hover);
    transform: translateY(-1px);
}

/* ============================================
   МЕДИА ЗАПРОСЫ ДЛЯ АДАПТИВНОСТИ
   ============================================ */

/* Планшеты и небольшие десктопы (до 1024px) */
@media (max-width: 1024px) {
    .main-wrapper {
        max-width: 100%;
    }

    .content {
        padding: 40px 20px 60px;
    }

    .content-page {
        padding: 30px 20px 50px;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

    .security-info {
        padding: 40px 20px 60px;
    }
}

/* Мобильные устройства в ландшафте и маленькие планшеты (до 768px) */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .card {
        border-radius: 16px;
    }

    /* Хедер */
    .header {
        padding: 16px 20px;
        flex-direction: column;
        align-items: stretch;
    }

    .logo {
        justify-content: center;
        margin-bottom: 12px;
    }

    .nav-menu {
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
        width: 100%;
    }

    .nav-menu a {
        font-size: 0.9rem;
    }

    .nav-menu a.active::after {
        bottom: -18px;
    }

    .btn-login {
        width: 100%;
        margin-top: 8px;
    }

    /* Контент */
    .content {
        padding: 30px 15px 50px;
    }

    .content-page {
        padding: 24px 15px 40px;
    }

    .upload-zone {
        padding: 30px 15px;
        margin-bottom: 20px;
    }

    .icon-broom {
        margin-bottom: 15px;
    }

    .icon-broom svg {
        width: 48px;
        height: 48px;
    }

    /* Режимы */
    .mode-switch {
        flex-direction: column;
        gap: 10px;
    }

    .mode-btn {
        width: 100%;
    }

    /* Метаданные главная */
    .metadata-viewer-main {
        border-radius: 12px;
    }

    .metadata-viewer-header {
        padding: 20px;
        flex-direction: column;
        align-items: stretch;
    }

    .metadata-viewer-content {
        grid-template-columns: 1fr;
    }

    .metadata-viewer-sidebar {
        border-right: none;
        border-bottom: 2px solid var(--card-bg-bot);
        padding: 15px;
    }

    .metadata-viewer-details {
        padding: 15px;
        max-height: 350px;
    }

    .metadata-viewer-footer {
        padding: 20px;
        flex-direction: column;
        align-items: stretch;
    }

    .btn-clean-main {
        width: 100%;
    }

    /* Обработка */
    .processing-section {
        padding: 20px;
    }

    .file-item {
        padding: 12px 14px;
    }

    .file-icon {
        width: 32px;
        height: 32px;
    }

    .file-name {
        font-size: 0.9rem;
    }

    /* Авторизация */
    .auth-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .auth-card {
        padding: 30px 20px;
    }

    .benefits-card {
        padding: 30px 20px;
    }

    .checkbox-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    /* Dashboard */
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 20px;
    }

    .upload-zone-dashboard {
        padding: 30px 15px;
    }

    .history-container {
        padding: 20px;
    }

    .history-item {
        flex-direction: column;
        align-items: stretch;
    }

    .history-actions {
        justify-content: stretch;
    }

    .btn-history {
        flex: 1;
    }

    /* Metadata viewer page */
    .metadata-content {
        grid-template-columns: 1fr;
    }

    .metadata-sidebar {
        border-right: none;
        border-bottom: 2px solid var(--card-bg-bot);
    }

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

    .metadata-actions {
        width: 100%;
    }

    .btn-select-all,
    .btn-deselect-all {
        flex: 1;
    }

    .metadata-footer {
        padding: 20px;
        flex-direction: column;
        align-items: stretch;
    }

    .metadata-footer-actions {
        width: 100%;
        flex-direction: column;
    }

    .btn-cancel,
    .btn-clean-selected {
        width: 100%;
    }

    /* Социальные сети */
    .social-grid {
        grid-template-columns: 1fr;
    }

    .social-card {
        padding: 20px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-input {
        width: 100%;
    }

    .newsletter-button {
        width: 100%;
    }

    .newsletter-section {
        padding: 30px 20px;
    }

    /* Как это работает */
    .step-card {
        padding: 24px 20px;
    }

    .step-number {
        width: 36px;
        height: 36px;
        font-size: 1rem;
        left: 20px;
    }

    .cta-section {
        padding: 30px 15px;
    }
}

/* Маленькие мобильные устройства (до 480px) */
@media (max-width: 480px) {
    body {
        padding: 8px;
    }

    .card {
        border-radius: 12px;
    }

    .header {
        padding: 12px 16px;
    }

    .logo-icon svg {
        width: 28px;
        height: 28px;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .nav-menu {
        gap: 15px;
    }

    .nav-menu a {
        font-size: 0.85rem;
    }

    .btn-login {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .content {
        padding: 24px 12px 40px;
    }

    .content-page {
        padding: 20px 12px 30px;
    }

    .upload-zone {
        padding: 24px 12px;
    }

    .processing-section {
        padding: 16px;
    }

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

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

    .form-group input {
        padding: 10px 14px;
        font-size: 0.95rem;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
    }

    .stat-icon svg {
        width: 20px;
        height: 20px;
    }

    .metadata-viewer-header,
    .metadata-header {
        padding: 16px;
    }

    .metadata-viewer-sidebar,
    .metadata-sidebar {
        padding: 12px;
    }

    .metadata-viewer-details,
    .metadata-details {
        padding: 12px;
    }

    .metadata-viewer-footer,
    .metadata-footer {
        padding: 16px;
    }

    .social-card {
        padding: 16px;
        flex-direction: column;
        text-align: center;
    }

    .social-arrow {
        display: none;
    }

    .step-card {
        padding: 20px 16px;
    }

    .newsletter-section {
        padding: 24px 16px;
    }

    .footer-timestamp {
        font-size: 0.75rem;
        padding: 12px;
    }
}

/* Очень маленькие экраны (до 360px) */
@media (max-width: 360px) {
    .logo-text {
        font-size: 1rem;
    }

    .nav-menu a {
        font-size: 0.8rem;
    }

    .stat-value {
        font-size: 1.3rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .file-name {
        font-size: 0.85rem;
    }

    .file-size {
        font-size: 0.75rem;
    }
}

/* Альбомная ориентация для мобильных */
@media (max-height: 500px) and (orientation: landscape) {
    .content {
        padding: 20px 15px 30px;
    }

    .main-title {
        font-size: 1.8rem;
        margin-bottom: 12px;
    }

    .subtitle {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }

    .upload-zone {
        padding: 20px 15px;
    }

    .icon-broom {
        display: none;
    }
}

/* Печать */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .header,
    .footer-timestamp,
    .btn-login,
    .upload-zone,
    .mode-switch,
    .btn-back,
    .btn-clean-main,
    .btn-cancel,
    .btn-clean-selected,
    .metadata-actions,
    .metadata-footer-actions {
        display: none !important;
    }

    .card {
        box-shadow: none;
        border-radius: 0;
    }

    .metadata-viewer-content {
        grid-template-columns: 1fr;
    }
}