/* ══════════════════════════════════════════════════════════════════
   NS-APPCENTER — Design System
   Modern dark UI with glassmorphism, gradients, and micro-animations
   ══════════════════════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────────────────────── */

:root {
    /* Palette */
    --bg-base: #0b0e14;
    --bg-surface: #131720;
    --bg-surface-hover: #1a1f2e;
    --bg-card: rgba(19, 23, 32, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);

    --border: rgba(255, 255, 255, 0.06);
    --border-focus: rgba(99, 140, 255, 0.5);

    --text-primary: #e4e8f1;
    --text-secondary: #8891a5;
    --text-muted: #545d72;

    --accent: #638cff;
    --accent-glow: rgba(99, 140, 255, 0.25);
    --accent-hover: #7da1ff;
    --accent-gradient: linear-gradient(135deg, #638cff 0%, #8b5cf6 100%);

    --success: #34d399;
    --warning: #fbbf24;
    --error: #f87171;

    /* Typography */
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 0.9375rem;
    --text-lg: 1.125rem;
    --text-xl: 1.5rem;

    /* Spacing */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 200ms;
}

/* ── Reset ──────────────────────────────────────────────────────── */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ── Login ──────────────────────────────────────────────────────── */

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(99, 140, 255, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        var(--bg-base);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.02),
        0 24px 48px -12px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.5s var(--ease);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    animation: pulse 2s ease-in-out infinite;
}

.login-logo h1 {
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.otp-info {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    padding: 0.75rem;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

/* ── Forms ──────────────────────────────────────────────────────── */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: var(--text-base);
    outline: none;
    transition: border-color var(--duration) var(--ease),
                box-shadow var(--duration) var(--ease);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

/* OTP girişi mono font */
#otp {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    letter-spacing: 0.5em;
    text-align: center;
    padding: 1rem;
}

/* ── Buttons ────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    text-decoration: none;
    outline: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px var(--accent-glow);
    filter: brightness(1.1);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.1);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.4rem 0.875rem;
    font-size: var(--text-xs);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

/* ── Alerts ─────────────────────────────────────────────────────── */

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    animation: shake 0.4s ease;
}

.alert-error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.25);
    color: var(--error);
}

/* ── App Shell ──────────────────────────────────────────────────── */

.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 56px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.topbar-logo {
    font-size: 1.25rem;
}

.topbar-title {
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ── Main content ───────────────────────────────────────────────── */

.main-content {
    flex: 1;
    padding: 2rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-header h2 {
    font-size: var(--text-lg);
    font-weight: 600;
}

/* ── App cards ──────────────────────────────────────────────────── */

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1rem;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--duration) var(--ease),
                box-shadow var(--duration) var(--ease),
                transform var(--duration) var(--ease);
    animation: fadeInUp 0.4s var(--ease) both;
}

.app-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.app-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.app-name {
    font-weight: 600;
    font-size: var(--text-base);
}

.app-status {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-running .status-dot {
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
    animation: pulse-dot 2s ease-in-out infinite;
}
.status-running { color: var(--success); }

.status-stopped .status-dot { background: var(--text-muted); }
.status-stopped { color: var(--text-muted); }

.status-crashed .status-dot {
    background: var(--error);
    box-shadow: 0 0 6px var(--error);
}
.status-crashed { color: var(--error); }

.status-backoff .status-dot {
    background: var(--warning);
    animation: pulse-dot 1s ease-in-out infinite;
}
.status-backoff { color: var(--warning); }

.status-starting .status-dot {
    background: var(--accent);
    animation: pulse-dot 0.8s ease-in-out infinite;
}
.status-starting { color: var(--accent); }

.app-card-body {
    padding: 1rem 1.25rem;
}

.app-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.meta-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-value {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

code.meta-value {
    font-family: 'Courier New', monospace;
    font-size: var(--text-xs);
    background: var(--bg-surface);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    display: block;
}

/* ── Empty state ────────────────────────────────────────────────── */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.empty-state h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    font-size: var(--text-sm);
}

.empty-state-sm {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
    font-size: var(--text-sm);
}

/* ── Card links ────────────────────────────────────────────────── */

.app-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* ── Back link ─────────────────────────────────────────────────── */

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--duration) var(--ease);
}

.back-link:hover {
    color: var(--accent);
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}

/* ── Page header (detail) ──────────────────────────────────────── */

.page-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ── Detail page ───────────────────────────────────────────────── */

.detail-header {
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.3s var(--ease);
}

.detail-title-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.25rem;
}

.detail-title-row h2 {
    font-size: var(--text-xl);
    font-weight: 700;
}

.detail-slug {
    font-family: 'Courier New', monospace;
    font-size: var(--text-xs);
    color: var(--text-muted);
    background: var(--bg-surface);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

/* ── Info card ─────────────────────────────────────────────────── */

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    animation: fadeInUp 0.4s var(--ease) both;
}

.info-card h3 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.info-rows {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
}

.info-label {
    color: var(--text-muted);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.info-row code {
    font-family: 'Courier New', monospace;
    font-size: var(--text-xs);
    background: var(--bg-surface);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    max-width: 60%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-error { color: var(--error); }

/* ── Sections ──────────────────────────────────────────────────── */

.section {
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.4s var(--ease) both;
}

.section-header {
    margin-bottom: 1rem;
}

.section-header h3 {
    font-size: var(--text-base);
    font-weight: 600;
}

/* ── Upload card ───────────────────────────────────────────────── */

.upload-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.upload-form .upload-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.form-group input[type="file"] {
    padding: 0.5rem;
    font-size: var(--text-sm);
}

.form-group input[type="file"]::file-selector-button {
    padding: 0.4rem 0.875rem;
    background: var(--bg-surface-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: var(--text-xs);
    cursor: pointer;
    margin-right: 0.75rem;
    transition: background var(--duration) var(--ease);
}

.form-group input[type="file"]::file-selector-button:hover {
    background: var(--bg-surface);
}

/* ── Version list ──────────────────────────────────────────────── */

.version-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.version-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: border-color var(--duration) var(--ease);
}

.version-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.version-active {
    border-color: rgba(52, 211, 153, 0.3);
    background: rgba(52, 211, 153, 0.03);
}

.version-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.version-label {
    font-weight: 600;
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.version-date {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ── Badge ─────────────────────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.badge-active {
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
    border: 1px solid rgba(52, 211, 153, 0.3);
}

/* ── Event list ────────────────────────────────────────────────── */

.event-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.event-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
}

.event-type {
    font-weight: 600;
    color: var(--accent);
    min-width: 120px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.event-message {
    flex: 1;
    color: var(--text-secondary);
}

.event-time {
    color: var(--text-muted);
    white-space: nowrap;
}

/* ── Console / Logs ────────────────────────────────────────────── */

.console-wrapper {
    background: #000;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem;
    height: 350px;
    overflow-y: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.8125rem;
    color: #a9b7c6;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.5);
}

.log-container {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.log-line {
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.4;
    padding: 0.1rem 0;
}

.log-line:hover {
    background: rgba(255, 255, 255, 0.05);
}

.log-empty {
    color: #6272a4;
    font-style: italic;
    margin: auto;
}

.log-error {
    color: #ff5555;
    font-weight: bold;
}

/* ── Form card ─────────────────────────────────────────────────── */

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    animation: fadeInUp 0.4s var(--ease);
}

.crud-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.hint {
    font-weight: 400;
    color: var(--text-muted);
    font-size: var(--text-xs);
}

/* ── Danger button ─────────────────────────────────────────────── */

.btn-danger {
    background: rgba(248, 113, 113, 0.1);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.25);
}

.btn-danger:hover {
    background: rgba(248, 113, 113, 0.2);
    border-color: rgba(248, 113, 113, 0.4);
}

.btn-success {
    background: rgba(52, 211, 153, 0.12);
    color: var(--success);
    border: 1px solid rgba(52, 211, 153, 0.3);
}

.btn-success:hover {
    background: rgba(52, 211, 153, 0.22);
    border-color: rgba(52, 211, 153, 0.5);
}

.btn-warning {
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning);
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.btn-warning:hover {
    background: rgba(251, 191, 36, 0.2);
    border-color: rgba(251, 191, 36, 0.4);
}

/* ── Animations ─────────────────────────────────────────────────── */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

/* ── Responsive ─────────────────────────────────────────────────── */

@media (max-width: 640px) {
    .main-content {
        padding: 1.25rem 1rem;
    }

    .app-grid {
        grid-template-columns: 1fr;
    }

    .login-card {
        padding: 2rem 1.5rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

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

    .upload-form .upload-row {
        flex-direction: column;
    }

    .upload-form .upload-row .form-group {
        width: 100% !important;
    }
}