ChronoCCG/Chrono/Web/wwwroot/css/app.css

:root {
    --bg-primary: #0b0b1a;
    --bg-surface: #141428;
    --bg-elevated: #1c1c3a;
    --bg-hover: #252548;
    --text-primary: #e8e8f0;
    --text-secondary: #9898b8;
    --text-muted: #686888;
    --accent: #6c63ff;
    --accent-glow: rgba(108, 99, 255, 0.3);
    --gold: #ffd700;
    --gold-glow: rgba(255, 215, 0, 0.4);
    --border: #2a2a4a;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: 0.2s ease;
}

* {
    scrollbar-width: thin;
    scrollbar-color: #2a2a4a transparent;
}

::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #2a2a4a;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3a3a5a;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2rem;
    background: linear-gradient(135deg, #e8e8f0 0%, #6c63ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

a, .btn-link {
    color: var(--accent);
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: #7b73ff;
    border-color: #7b73ff;
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border);
}

.btn-outline-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--text-primary);
}

.form-control, .form-select {
    background: var(--bg-surface);
    border-color: var(--border);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.form-control:focus, .form-select:focus {
    background: var(--bg-elevated);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem var(--accent-glow);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.content {
    padding-top: 1.5rem;
}

.sidebar {
    background-image: linear-gradient(180deg, #0d0d2b 0%, #1a0a2e 70%) !important;
}

.alert-info {
    background: var(--bg-surface);
    border-color: var(--border);
    color: var(--text-secondary);
}

/* ── Loading Screen ── */
.loading-screen {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, #141428 0%, #0b0b1a 100%);
    gap: 0.75rem;
    z-index: 9999;
}

.loading-content {
    position: relative;
    width: 5rem;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.loading-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
    position: absolute;
}

.ring-track {
    fill: none;
    stroke: var(--border);
    stroke-width: 5;
}

.ring-fill {
    fill: none;
    stroke: var(--accent);
    stroke-width: 5;
    stroke-linecap: round;
    stroke-dasharray: 263.9;
    stroke-dashoffset: calc(263.9 - (263.9 * var(--blazor-load-percentage, 0%)) / 100);
    transition: stroke-dashoffset 0.2s ease;
    filter: drop-shadow(0 0 6px var(--accent-glow));
}

.loading-icon {
    font-size: 1.5rem;
    color: var(--accent);
    animation: loading-pulse 1.5s ease-in-out infinite;
    z-index: 1;
}

@keyframes loading-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.15);
        opacity: 1;
    }
}

.loading-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #e8e8f0 0%, #6c63ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loading-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.loading-bar {
    width: 12rem;
    margin-top: 0.5rem;
}

.loading-bar-track {
    width: 100%;
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.loading-bar-fill {
    height: 100%;
    width: calc(var(--blazor-load-percentage, 0%));
    background: linear-gradient(90deg, var(--accent), #8b83ff);
    border-radius: 2px;
    transition: width 0.2s ease;
}

.loading-status {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

.loading-status::after {
    content: var(--blazor-load-percentage-text, "Loading...");
}

.card-detail .detail-field.note {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.note-input {
    min-height: 100px;
    resize: vertical;
    background: var(--bg-primary);
    border: 1px solid var(--border);
}

.saving-indicator {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    align-self: flex-end;
}