:root {
    --bg: #edf4f6;
    --text: #0f172a;
    --muted: #5f6f82;
    --border: #d6e2e8;
    --primary: #1fb4cc;
    --primary-dark: #1393ab;
    --green-bg: #def7eb;
    --green-text: #146c43;
    --red-bg: #fde7ea;
    --red-text: #b42318;
    --shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
    --surface-dark: #0f172a;
    --ring: rgba(31, 180, 204, 0.18);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.dashboard-shell {
    min-height: 100vh;
}

.dashboard-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 18px 32px;
    background: rgba(247, 251, 252, 0.94);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.dashboard-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.dashboard-logo {
    display: block;
    width: 128px;
    height: auto;
}

.dashboard-brand-copy h1,
.dashboard-brand-copy p,
.section-header h3,
.screen-row-header h4 {
    margin: 0;
}

.dashboard-brand-copy h1 {
    font-size: 20px;
}

.dashboard-brand-copy p {
    margin-top: 4px;
    color: var(--muted);
    font-size: 13px;
}

.dashboard-topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.dashboard-user {
    text-align: right;
}

.dashboard-user-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.dashboard-user strong {
    font-size: 14px;
}

.dashboard-main {
    padding: 32px;
}

.dashboard-intro {
    padding: 0 0 22px;
}

.section-kicker {
    margin: 0 0 10px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #0f8fa4;
}

.summary-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.84);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 28px;
}

.summary-metric {
    padding: 18px 20px;
    border-right: 1px solid var(--border);
}

.summary-metric:last-child {
    border-right: 0;
}

.summary-metric span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.summary-metric strong {
    display: block;
    margin-top: 8px;
    font-size: 30px;
    line-height: 1;
}

.screen-section {
    background: transparent;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 16px;
    margin-bottom: 18px;
}

.section-header h3 {
    font-size: 26px;
}

.section-caption {
    color: var(--muted);
    font-size: 13px;
}

.screen-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.screen-row {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: var(--shadow);
    overflow: hidden;
    min-width: 0;
}

.screen-row-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 12px;
    padding: 12px 12px 10px;
    border-bottom: 1px solid var(--border);
    background: rgba(248, 251, 252, 0.92);
}

.screen-row-header h4 {
    font-size: 15px;
}

.screen-row-tags {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
}

.status {
    padding: 5px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
}

.status.online {
    background: var(--green-bg);
    color: var(--green-text);
}

.status.offline {
    background: var(--red-bg);
    color: var(--red-text);
}

.screen-row-body {
    padding: 12px;
}

.preview-box {
    width: 100%;
    aspect-ratio: 16 / 5.4;
    max-height: 96px;
    background: #07111d;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, 0.10);
}

.preview-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.empty-preview {
    height: 100%;
    color: #8ea0b5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.screen-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 10px;
    margin: 10px 0 0;
}

.screen-meta-grid div {
    padding-top: 7px;
    border-top: 1px solid var(--border);
}

.screen-meta-grid dt {
    margin: 0 0 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.screen-meta-grid dd {
    margin: 0;
    font-size: 11px;
    line-height: 1.3;
    word-break: break-word;
}

label {
    display: block;
    margin: 0 0 5px;
    font-size: 12px;
    font-weight: 700;
    color: #334155;
}

.input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 11px;
    font-size: 13px;
    outline: none;
    background: #ffffff;
    transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--ring);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 10px;
}

.screen-form {
    margin-top: 10px;
}

.compact-form-row .input[type="file"] {
    padding-top: 9px;
    padding-bottom: 9px;
}

.media-dropzone {
    border: 1px dashed #b8d7df;
    border-radius: 8px;
    background: #f6fbfc;
    padding: 10px;
    transition: border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.media-dropzone.is-dragover {
    border-color: var(--primary);
    background: #eefafd;
    box-shadow: 0 0 0 3px rgba(31, 180, 204, 0.10);
}

.media-input {
    background: #ffffff;
}

.media-dropzone-text,
.media-dropzone-name {
    margin: 8px 0 0;
    font-size: 11px;
    line-height: 1.35;
}

.media-dropzone-text {
    color: var(--muted);
}

.media-dropzone-name {
    color: var(--text);
    font-weight: 700;
}

.button-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 2px;
}

.btn {
    border: none;
    background: var(--primary);
    color: #06232a;
    padding: 10px 12px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    font-size: 13px;
    transition: background-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    color: white;
}

.btn.secondary {
    background: var(--surface-dark);
    color: white;
}

.btn.full {
    width: 100%;
    margin-top: 16px;
}

.alert {
    background: var(--red-bg);
    color: var(--red-text);
    padding: 12px 14px;
    border: 1px solid rgba(153, 27, 27, 0.12);
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 18px;
}

.success-alert {
    background: var(--green-bg);
    color: var(--green-text);
    border-color: rgba(20, 108, 67, 0.12);
}

.empty-state {
    background: rgba(255, 255, 255, 0.88);
    border-radius: 8px;
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

@media (max-width: 1320px) {
    .screen-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 850px) {
    .dashboard-topbar,
    .dashboard-main {
        padding-left: 18px;
        padding-right: 18px;
    }

    .dashboard-topbar {
        flex-direction: column;
        align-items: stretch;
    }

    .dashboard-brand,
    .dashboard-topbar-actions,
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .dashboard-user {
        text-align: left;
    }

    .summary-strip {
        grid-template-columns: 1fr 1fr;
    }

    .summary-metric:nth-child(2) {
        border-right: 0;
    }

    .summary-metric:nth-child(-n + 2) {
        border-bottom: 1px solid var(--border);
    }

    .screen-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .form-row,
    .button-row {
        grid-template-columns: 1fr;
    }

    .screen-meta-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .screen-list {
        grid-template-columns: 1fr;
    }
}