:root {
    /* Layout only — theme tokens come from ../assets/demo-app.css on body so grids/lines follow the colour switcher. */
    --time-col: 72px;
    --hour-height: 64px;
    --danger: #b92c2c;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--accent) 18%, transparent) 0, transparent 40%),
        radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--demo-accent-strong) 14%, transparent) 0, transparent 34%),
        var(--bg);
    font-family: "Inter", "Segoe UI", sans-serif;
}

.app-shell {
    padding: 18px;
}

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

.eyebrow {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
}

h1 {
    margin: 4px 0;
    font-family: "Space Grotesk", sans-serif;
    letter-spacing: -0.02em;
}

.subtitle {
    margin: 0;
    color: var(--muted);
}

.reset-box {
    color: var(--accent);
    text-align: right;
    border-color: color-mix(in srgb, var(--accent) 30%, transparent);
    box-shadow: 0 14px 30px color-mix(in srgb, var(--accent) 16%, transparent);
}

.reset-box strong {
    font-size: 20px;
    color: var(--accent);
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin: 10px 0 16px;
    flex-wrap: wrap;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

button,
input,
textarea {
    font: inherit;
}

button {
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(180deg, var(--accent), var(--demo-accent-strong));
    border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.btn-danger {
    background: color-mix(in srgb, var(--danger) 10%, var(--panel));
    color: color-mix(in srgb, var(--danger) 82%, var(--text));
    border-color: color-mix(in srgb, var(--danger) 42%, transparent);
}

.week-wrap {
    border-radius: 12px;
    overflow: hidden;
}

.week-title {
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    font-weight: 600;
    color: var(--demo-accent-heading);
    background: var(--panel);
    box-shadow: inset 0 -1px 0 color-mix(in srgb, var(--accent) 16%, transparent);
}

.calendar {
    overflow-x: auto;
    min-height: 720px;
}

.calendar-grid {
    min-width: 980px;
    position: relative;
}

.day-header-row {
    display: grid;
    grid-template-columns: var(--time-col) repeat(7, 1fr);
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    box-shadow: inset 0 -1px 0 color-mix(in srgb, var(--accent) 18%, transparent);
}

.day-header {
    padding: 10px;
    border-left: 1px solid var(--line);
    font-weight: 600;
    text-align: center;
    color: var(--demo-accent-heading);
}

.day-header.is-today {
    color: color-mix(in srgb, var(--demo-accent-heading) 88%, var(--text));
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--accent) 18%, var(--demo-panel-soft)), color-mix(in srgb, var(--accent) 8%, var(--panel)));
    box-shadow:
        inset 0 0 0 1px color-mix(in srgb, var(--accent) 38%, transparent),
        inset 0 -3px 0 color-mix(in srgb, var(--accent) 64%, transparent);
}

.time-col-header {
    border-right: 1px solid var(--line);
}

.time-body {
    display: grid;
    grid-template-columns: var(--time-col) repeat(7, 1fr);
    position: relative;
    height: calc(var(--hour-height) * 16);
}

.time-column {
    border-right: 1px solid var(--line);
}

.time-mark {
    height: var(--hour-height);
    border-bottom: 1px solid var(--line);
    font-size: 12px;
    color: var(--muted);
    padding: 4px;
}

.day-column {
    position: relative;
    border-left: 1px solid var(--line);
    background: linear-gradient(to bottom, color-mix(in srgb, var(--accent) 9%, transparent) 1px, transparent 1px);
    background-size: 100% calc(var(--hour-height) / 2);
}

.day-column.today {
    background:
        linear-gradient(to bottom, color-mix(in srgb, var(--accent) 14%, transparent) 1px, transparent 1px),
        linear-gradient(180deg, color-mix(in srgb, var(--accent) 16%, transparent), color-mix(in srgb, var(--accent) 8%, transparent));
    background-size: 100% calc(var(--hour-height) / 2), 100% 100%;
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent);
}

.event-card {
    position: absolute;
    border-radius: 8px;
    padding: 6px 8px 18px;
    color: #fff;
    font-size: 12px;
    overflow: hidden;
    cursor: grab;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.event-card.dragging,
.event-card.resizing {
    opacity: 0.85;
    z-index: 100;
    cursor: grabbing;
}

.event-card.non-draggable {
    cursor: pointer;
}

.event-title {
    font-weight: 700;
    line-height: 1.2;
}

.event-meta {
    opacity: 0.92;
}

.resize-handle {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 12px;
    cursor: ns-resize;
    background: rgba(255, 255, 255, 0.2);
}

.interaction-tooltip {
    position: fixed;
    z-index: 1200;
    pointer-events: none;
    border-radius: 8px;
    padding: 6px 9px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: var(--demo-text);
    border: 1px solid color-mix(in srgb, var(--demo-accent) 28%, var(--demo-line));
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--demo-accent-surface-strong) 84%, var(--demo-panel)),
        color-mix(in srgb, var(--demo-accent-surface) 88%, var(--demo-panel))
    );
    box-shadow: 0 10px 28px color-mix(in srgb, var(--demo-accent) 18%, rgba(0, 0, 0, 0.22));
    white-space: nowrap;
}

.status {
    margin-top: 12px;
    min-height: 20px;
    color: var(--muted);
}

dialog {
    border: none;
    border-radius: 12px;
    width: min(500px, calc(100vw - 24px));
    padding: 0;
    box-shadow: 0 24px 80px rgba(12, 26, 45, 0.35);
}

dialog::backdrop {
    background: rgba(7, 19, 35, 0.56);
}

#eventForm {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px;
}

label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 14px;
}

input,
textarea {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px;
}

.color-input-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

input[type="color"] {
    width: 54px;
    height: 38px;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 8px;
    cursor: pointer;
    background:
        linear-gradient(45deg, color-mix(in srgb, var(--line) 70%, var(--panel)) 25%, transparent 25%) -5px 0/10px 10px,
        linear-gradient(-45deg, color-mix(in srgb, var(--line) 70%, var(--panel)) 25%, transparent 25%) -5px 0/10px 10px,
        linear-gradient(45deg, transparent 75%, color-mix(in srgb, var(--line) 70%, var(--panel)) 75%) -5px 0/10px 10px,
        linear-gradient(-45deg, transparent 75%, color-mix(in srgb, var(--line) 70%, var(--panel)) 75%) -5px 0/10px 10px,
        var(--panel);
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 5px;
}

input[type="color"]::-moz-color-swatch {
    border: none;
    border-radius: 5px;
}

.color-value {
    min-width: 84px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 0.04em;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

menu {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin: 8px 0 0;
    padding: 0;
}

@media (max-width: 800px) {
    .app-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .reset-box {
        width: 100%;
        text-align: left;
    }

    .two-col {
        grid-template-columns: 1fr;
    }
}