/* =============================================================
   Backup Dashboard - "Operations Console"
   Mono-Typo + bracket framing + animated status accents +
   heartbeat-strip pro Server. Ein Mini-NOC im Browser.
   ============================================================= */

:root {
    /* Status */
    --c-success:       #00d96b;
    --c-success-soft:  rgba(0, 217, 107, 0.10);
    --c-success-glow:  rgba(0, 217, 107, 0.45);
    --c-failed:        #ff3860;
    --c-failed-soft:   rgba(255, 56, 96, 0.10);
    --c-failed-glow:   rgba(255, 56, 96, 0.45);
    --c-stale:         #5b6470;
    --c-accent:        var(--c-success);

    /* Layout */
    --radius:    6px;
    --radius-lg: 12px;
    --gap:       16px;
    --transition: 220ms cubic-bezier(.4, 0, .2, 1);

    /* Type */
    --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', ui-monospace, Menlo, Consolas, monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
    --c-bg:            #0a0e14;
    --c-bg-elev:       #0f141c;
    --c-bg-elev-2:     #151b25;
    --c-border:        #1f2734;
    --c-border-strong: #2a3342;
    --c-text:          #e6edf3;
    --c-text-dim:      #7a8693;
    --c-text-mute:     #4a5260;
    --c-input-bg:      #060a10;
    --grid-line:       rgba(255, 255, 255, 0.025);
    --halo:            rgba(0, 217, 107, 0.08);
}

[data-theme="light"] {
    --c-bg:            #f6f7f9;
    --c-bg-elev:       #ffffff;
    --c-bg-elev-2:     #f0f3f7;
    --c-border:        #dfe4ea;
    --c-border-strong: #c5cdd6;
    --c-text:          #14181d;
    --c-text-dim:      #525a64;
    --c-text-mute:     #8a929c;
    --c-input-bg:      #ffffff;
    --grid-line:       rgba(0, 0, 0, 0.03);
    --halo:            rgba(0, 179, 54, 0.10);
}

/* ----- Reset --------------------------------------------------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font-sans);
    background-color: var(--c-bg);
    color: var(--c-text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    background-image:
        radial-gradient(1200px 600px at 50% -200px, var(--halo), transparent 60%),
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: auto, 28px 28px, 28px 28px;
    background-position: 0 0, 0 0, 0 0;
    transition: background-color var(--transition), color var(--transition);
}
button, input, select, textarea { font-family: inherit; }
h1, h2, h3 { margin: 0; }
::selection { background: var(--c-success); color: #000; }

/* ----- Topbar -------------------------------------------------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 24px;
    background: color-mix(in srgb, var(--c-bg-elev) 88%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--c-border);
}
.topbar::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -1px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-success-glow) 30%, var(--c-success-glow) 70%, transparent);
    pointer-events: none;
}
.topbar-left { display: flex; align-items: center; gap: 14px; min-width: 0; flex-wrap: wrap; }
.topbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.topbar-title {
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    white-space: nowrap;
}
.topbar-title .bracket { color: var(--c-text-mute); font-weight: 400; }
.topbar-title .name    { color: var(--c-text); font-weight: 600; }
.topbar-title .accent  { color: var(--c-success); font-weight: 700; }

.live-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 4px 10px;
    border: 1px solid var(--c-border-strong);
    border-radius: 99px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    color: var(--c-text-dim);
    text-transform: uppercase;
}
.live-pill .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-success);
    box-shadow: 0 0 8px var(--c-success-glow);
    animation: live-pulse 1.6s infinite ease-in-out;
}
@keyframes live-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.35; transform: scale(0.75); }
}

.topbar-updated {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--c-text-dim);
    letter-spacing: 0.04em;
}

.search-input {
    background: var(--c-input-bg);
    color: var(--c-text);
    border: 1px solid var(--c-border-strong);
    border-radius: var(--radius);
    padding: 8px 12px;
    width: 240px;
    max-width: 100%;
    font-family: var(--font-mono);
    font-size: 13px;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input::placeholder { color: var(--c-text-mute); }
.search-input:focus {
    outline: none;
    border-color: var(--c-success);
    box-shadow: 0 0 0 3px var(--c-success-soft);
}

.icon-btn {
    background: transparent;
    color: var(--c-text-dim);
    border: 1px solid var(--c-border-strong);
    border-radius: var(--radius);
    padding: 7px 12px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
    transition: color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.icon-btn:hover {
    color: var(--c-text);
    border-color: var(--c-success);
    box-shadow: inset 0 0 0 1px var(--c-success-soft);
}
.icon-btn:active { transform: scale(0.97); }

/* ----- Stats --------------------------------------------------- */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--gap);
    padding: 24px 24px 0;
}
.stat {
    position: relative;
    background: var(--c-bg-elev);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 18px 20px 16px;
    overflow: hidden;
}
.stat::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--c-text-dim);
    opacity: 0.4;
}
.stat-success::before { background: var(--c-success); opacity: 1; }
.stat-failed::before  { background: var(--c-failed);  opacity: 1; }
.stat-stale::before   { background: var(--c-stale);   opacity: 0.7; }
.stat-total::before   { background: linear-gradient(90deg, var(--c-success), transparent 70%); opacity: 1; }

.stat-num {
    display: block;
    font-family: var(--font-mono);
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 8px;
}
.stat-success .stat-num { color: var(--c-success); }
.stat-failed  .stat-num { color: var(--c-failed); }
.stat-stale   .stat-num { color: var(--c-stale); }

.stat-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    color: var(--c-text-dim);
    text-transform: uppercase;
}

/* ----- Grid ---------------------------------------------------- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--gap);
    padding: 24px;
}

/* ----- Tile ---------------------------------------------------- */
.tile {
    --tile-color: var(--c-stale);
    --tile-glow:  rgba(91, 100, 112, 0.20);
    position: relative;
    background: var(--c-bg-elev);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 20px 20px 16px;
    cursor: pointer;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    animation: tile-in 320ms cubic-bezier(.16, 1, .3, 1) both;
}
@keyframes tile-in {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.tile-success { --tile-color: var(--c-success); --tile-glow: var(--c-success-glow); }
.tile-failed  { --tile-color: var(--c-failed);  --tile-glow: var(--c-failed-glow); }
.tile-stale   { --tile-color: var(--c-stale);   --tile-glow: rgba(91,100,112,0.25); }

.tile::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--tile-color);
    box-shadow: 0 0 18px 0 var(--tile-glow);
}
.tile-failed::before {
    background: linear-gradient(90deg, var(--c-failed), #ff7b9c, var(--c-failed));
    background-size: 200% 100%;
    animation: warn-stripe 2.4s linear infinite;
}
@keyframes warn-stripe {
    from { background-position: 0% 0%; }
    to   { background-position: 200% 0%; }
}
.tile-failed::after {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        135deg,
        rgba(255, 56, 96, 0.05) 0 8px,
        transparent 8px 22px
    );
    pointer-events: none;
    opacity: 0.6;
}

.tile:hover {
    transform: translateY(-3px);
    border-color: var(--tile-color);
    box-shadow: 0 8px 28px -10px var(--tile-glow);
}
.tile:focus-visible {
    outline: none;
    border-color: var(--tile-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tile-color) 30%, transparent);
}

.tile-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
.tile-server {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.01em;
    overflow-wrap: anywhere;
    margin: 0;
}
.tile-badge {
    flex-shrink: 0;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--tile-color);
    border: 1px solid currentColor;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    background: color-mix(in srgb, var(--tile-color) 8%, transparent);
}

.tile-relative {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--c-text-dim);
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}
.tile-relative::before { content: "▸ "; color: var(--c-text-mute); }

/* Heartbeat-Strip: letzte 7 Backups als Pips */
.tile-history {
    display: flex;
    gap: 3px;
    margin-bottom: 14px;
    height: 14px;
}
.tile-history-pip {
    flex: 1;
    background: var(--c-border);
    border-radius: 2px;
    transition: transform var(--transition), filter var(--transition);
    cursor: help;
    position: relative;
}
.tile-history-pip.success { background: var(--c-success); }
.tile-history-pip.failed  { background: var(--c-failed); }
.tile-history-pip:hover { transform: scaleY(1.5); filter: brightness(1.2); }

.tile-meta {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 5px 14px;
    font-size: 13px;
    margin: 0;
}
.tile-meta dt {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--c-text-mute);
    text-transform: uppercase;
    align-self: center;
}
.tile-meta dd {
    margin: 0;
    color: var(--c-text);
    font-variant-numeric: tabular-nums;
    font-size: 13px;
    overflow-wrap: anywhere;
}

.tile-error {
    margin-top: 14px;
    border-top: 1px dashed var(--c-border-strong);
    padding-top: 12px;
}
.tile-error summary {
    cursor: pointer;
    color: var(--c-failed);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    list-style: none;
}
.tile-error summary::-webkit-details-marker { display: none; }
.tile-error summary::before {
    content: "▸";
    margin-right: 6px;
    transition: transform var(--transition);
    display: inline-block;
}
.tile-error[open] summary::before { transform: rotate(90deg); }
.tile-error pre {
    margin: 10px 0 0;
    padding: 12px;
    background: var(--c-bg-elev-2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 220px;
    overflow: auto;
    color: var(--c-text-dim);
}

/* ----- Empty State -------------------------------------------- */
.empty-state {
    text-align: center;
    padding: 80px 24px;
    color: var(--c-text-dim);
}
.empty-state h2 {
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-text);
    margin: 0 0 8px;
}
.empty-state h2::before { content: "// "; color: var(--c-success); }
.empty-state p { margin: 0; font-size: 14px; }

/* ----- Login -------------------------------------------------- */
.login-overlay[hidden],
.modal[hidden] { display: none !important; }

.login-overlay {
    position: fixed;
    inset: 0;
    background-color: var(--c-bg);
    background-image:
        radial-gradient(800px 400px at 50% 0%, var(--halo), transparent 60%),
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: auto, 28px 28px, 28px 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 24px;
}
.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--c-bg-elev);
    border: 1px solid var(--c-border-strong);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow:
        0 30px 80px -20px rgba(0, 0, 0, 0.7),
        0 0 60px -20px var(--c-success-glow);
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: relative;
    overflow: hidden;
}
.login-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--c-success), transparent);
}
.login-card h1 {
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}
.login-card h1::before {
    content: ">";
    color: var(--c-success);
    font-weight: 700;
    animation: cursor-blink 1.1s step-end infinite;
}
@keyframes cursor-blink {
    0%, 50%   { opacity: 1; }
    51%, 100% { opacity: 0.2; }
}
.login-card p {
    margin: 0;
    color: var(--c-text-dim);
    font-size: 12px;
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
}
.login-card label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-text-dim);
}
.login-card input {
    background: var(--c-input-bg);
    color: var(--c-text);
    border: 1px solid var(--c-border-strong);
    border-radius: var(--radius);
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.02em;
}
.login-card input:focus {
    outline: none;
    border-color: var(--c-success);
    box-shadow: 0 0 0 3px var(--c-success-soft);
}
.login-card button {
    background: var(--c-success);
    color: #000;
    border: none;
    border-radius: var(--radius);
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    transition: box-shadow var(--transition), transform var(--transition);
}
.login-card button:hover { box-shadow: 0 0 30px -4px var(--c-success-glow); transform: translateY(-1px); }
.login-card button:active { transform: translateY(0); }
.login-error { color: var(--c-failed); font-size: 11px; font-family: var(--font-mono); letter-spacing: 0.04em; }
.login-error::before { content: "// "; }

/* ----- Modal -------------------------------------------------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fade-in 200ms ease;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal-card {
    position: relative;
    width: 100%;
    max-width: 760px;
    max-height: 85vh;
    background: var(--c-bg-elev);
    border: 1px solid var(--c-border-strong);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modal-in 240ms cubic-bezier(.16, 1, .3, 1) both;
    box-shadow: 0 30px 80px -10px rgba(0, 0, 0, 0.6);
}
@keyframes modal-in {
    from { opacity: 0; transform: translateY(16px) scale(0.97); }
    to   { opacity: 1; transform: none; }
}
.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 22px;
    border-bottom: 1px solid var(--c-border);
}
.modal-head h2 {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.modal-head h2::before { content: "▸ "; color: var(--c-success); }
.modal-body { padding: 20px 22px; overflow: auto; }

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.history-table th, .history-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--c-border);
    white-space: nowrap;
}
.history-table th {
    color: var(--c-text-dim);
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.14em;
}
.history-table td { font-variant-numeric: tabular-nums; color: var(--c-text); }
.history-status {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    color: currentColor;
    border: 1px solid currentColor;
    text-transform: uppercase;
    background: color-mix(in srgb, currentColor 8%, transparent);
}
.history-status.success { color: var(--c-success); }
.history-status.failed  { color: var(--c-failed); }

/* ----- Responsive --------------------------------------------- */
@media (max-width: 640px) {
    .topbar { flex-direction: column; align-items: stretch; padding: 10px 14px; }
    .topbar-left, .topbar-right { width: 100%; }
    .topbar-right { justify-content: space-between; }
    .search-input { flex: 1; min-width: 0; width: auto; }
    .stats-bar { padding: 14px 14px 0; }
    .grid { padding: 14px; }
    .stat-num { font-size: 30px; }
}

/* Reduced motion: nichts blinkt unnoetig */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}