/* =============================================
   Flow-Manager v2 · Premium Dark Theme
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-deep: #0a0c10;
    --bg-base: #0f1115;
    --bg-surface: #161b22;
    --bg-card: #1c2128;
    --bg-elevated: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #2f81f7;
    --accent-hover: #1f6feb;
    --accent-glow: rgba(47, 129, 247, 0.15);
    --border: #30363d;
    --border-light: #21262d;
    --success: #238636;
    --success-bg: rgba(35, 134, 54, 0.15);
    --danger: #da3633;
    --danger-bg: rgba(218, 54, 51, 0.15);
    --warning: #d29922;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.text-muted { color: var(--text-secondary); font-size: 0.875rem; }
.highlight { color: var(--accent); }

/* =============================================
   LOGIN
   ============================================= */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-deep);
    background-image:
        radial-gradient(circle at 20% 50%, rgba(47, 129, 247, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.04) 0%, transparent 50%);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    width: 380px;
    box-shadow: var(--shadow-lg);
}

.login-header { text-align: center; margin-bottom: 2rem; }
.login-header h1 { font-size: 1.8rem; font-weight: 700; }
.login-subtitle { color: var(--text-secondary); font-size: 0.85rem; margin-top: 0.3rem; }
.login-error { background: var(--danger-bg); color: var(--danger); padding: 0.75rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: 0.85rem; text-align: center; }
.login-form { display: flex; flex-direction: column; gap: 1rem; }
.login-btn { width: 100%; padding: 0.9rem; font-size: 1rem; margin-top: 0.5rem; }

/* =============================================
   LAUNCHER
   ============================================= */
.launcher-body {
    min-height: 100vh;
    background: var(--bg-deep);
    background-image:
        radial-gradient(circle at 30% 20%, rgba(47, 129, 247, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 40%),
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 100%, 100%, 40px 40px, 40px 40px;
}

.launcher-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    background: rgba(15, 17, 21, 0.8);
    position: sticky;
    top: 0;
    z-index: 100;
}

.launcher-brand { display: flex; align-items: center; gap: 1rem; }
.launcher-brand h1 { font-size: 1.5rem; font-weight: 700; }
.version-badge { font-size: 0.7rem; background: var(--accent-glow); color: var(--accent); padding: 2px 8px; border-radius: 20px; }
.launcher-actions { display: flex; gap: 0.75rem; }

.launcher-content { max-width: 1100px; margin: 0 auto; padding: 3rem 2rem; }
.launcher-intro { margin-bottom: 2.5rem; }
.launcher-intro h2 { font-size: 1.8rem; font-weight: 600; }

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: all 0.25s ease;
    cursor: pointer;
}

.app-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), var(--shadow-md);
    transform: translateY(-2px);
}

.app-card-icon { font-size: 2.5rem; }
.app-card-body h3 { font-size: 1.1rem; font-weight: 600; }
.app-card-body p { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.3rem; }

.app-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-light);
}

.schedule-tag { font-size: 0.75rem; color: var(--text-muted); }

/* =============================================
   APP LAYOUT (Sidebar + Main)
   ============================================= */
.app-layout { display: flex; min-height: 100vh; }

.app-sidebar {
    width: 260px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header { padding: 1.5rem; border-bottom: 1px solid var(--border); }
.back-link { font-size: 0.8rem; color: var(--text-secondary); display: block; margin-bottom: 1rem; transition: color 0.2s; }
.back-link:hover { color: var(--accent); }

.app-identity { display: flex; align-items: center; gap: 0.75rem; }
.app-icon-large { font-size: 2rem; }
.app-identity h2 { font-size: 1.1rem; font-weight: 600; line-height: 1.3; }

.app-nav { flex: 1; padding: 1rem 0.75rem; display: flex; flex-direction: column; gap: 0.25rem; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.2s;
}
.nav-item:hover { background: var(--bg-elevated); color: var(--text-primary); }
.nav-item.active { background: var(--accent-glow); color: var(--accent); font-weight: 500; }
.nav-icon { font-size: 1.1rem; width: 1.5rem; text-align: center; }

.sidebar-footer { padding: 1rem; border-top: 1px solid var(--border); }
.btn-execute {
    width: 100%;
    background: var(--success);
    color: #fff;
    border: none;
    padding: 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-execute:hover { background: #2ea043; }

.app-main { flex: 1; display: flex; flex-direction: column; background: var(--bg-base); }

.app-topbar {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.app-content { padding: 2rem; flex: 1; }

/* =============================================
   CARDS
   ============================================= */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; }

/* =============================================
   FORMS
   ============================================= */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); }
.premium-input {
    background: var(--bg-deep);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    font-family: var(--font);
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.premium-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); outline: none; }

.params-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.section-divider { font-size: 0.9rem; font-weight: 600; margin: 1.5rem 0 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }

.form-actions { display: flex; align-items: center; gap: 1rem; margin-top: 1.5rem; }
.toast-msg { color: var(--success); font-size: 0.85rem; opacity: 0; transition: opacity 0.3s; }

.config-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.toggle-group { display: flex; align-items: center; gap: 0.75rem; }
.toggle-label { font-size: 0.85rem; color: var(--text-secondary); }

/* Toggle Switch */
.switch { position: relative; display: inline-block; width: 44px; height: 22px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; inset: 0; background: var(--border); transition: 0.3s; }
.slider:before { position: absolute; content: ""; height: 16px; width: 16px; left: 3px; bottom: 3px; background: white; transition: 0.3s; }
input:checked + .slider { background: var(--success); }
input:checked + .slider:before { transform: translateX(22px); }
.slider.round { border-radius: 22px; }
.slider.round:before { border-radius: 50%; }

/* =============================================
   BUTTONS
   ============================================= */
.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.65rem 1.3rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-ghost:hover { background: var(--bg-elevated); color: var(--text-primary); }
.btn-ghost-sm { font-size: 0.8rem; padding: 0.3rem 0.6rem; color: var(--text-secondary); }
.btn-ghost-sm:hover { color: var(--text-primary); }

.btn-action {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-action.primary { background: var(--accent); color: white; }
.btn-action.primary:hover { background: var(--accent-hover); }
.btn-action.danger { background: var(--danger); color: white; }
.btn-action.danger:hover { background: #b62324; }

.actions-grid { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1rem; }
.action-response { margin-top: 1rem; padding: 1rem; background: var(--bg-deep); border-radius: var(--radius-sm); font-size: 0.85rem; color: var(--text-secondary); min-height: 2rem; }

/* =============================================
   STATUS
   ============================================= */
.status-pill {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 500;
}
.status-pill.active { background: var(--success-bg); color: var(--success); }
.status-pill.inactive { background: rgba(139,148,158,0.15); color: var(--text-secondary); }
.status-pill.success { background: var(--success-bg); color: var(--success); }
.status-pill.error { background: var(--danger-bg); color: var(--danger); }
.status-pill.running { background: rgba(210,153,34,0.15); color: var(--warning); }

/* =============================================
   TABLES
   ============================================= */
.executions-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.executions-table th { text-align: left; padding: 0.75rem; color: var(--text-secondary); font-weight: 500; border-bottom: 1px solid var(--border); }
.executions-table td { padding: 0.75rem; border-bottom: 1px solid var(--border-light); }
.executions-table tr:hover { background: var(--bg-elevated); }
.trigger-cell { font-family: monospace; font-size: 0.8rem; max-width: 400px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* =============================================
   DOCS
   ============================================= */
.docs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.readme-card { grid-column: 1; }
.diagram-card { grid-column: 2; }

.markdown-body { font-size: 0.9rem; line-height: 1.7; color: var(--text-primary); }
.markdown-body h1, .markdown-body h2, .markdown-body h3 { margin: 1.5rem 0 0.75rem; }
.markdown-body p { margin-bottom: 0.75rem; }
.markdown-body code { background: var(--bg-deep); padding: 2px 6px; border-radius: 3px; font-size: 0.85em; }
.markdown-body pre { background: var(--bg-deep); padding: 1rem; border-radius: var(--radius-sm); overflow-x: auto; }
.markdown-body ul, .markdown-body ol { padding-left: 1.5rem; margin-bottom: 0.75rem; }

/* =============================================
   TERMINAL / CODE
   ============================================= */
.terminal-pre { background: #000; color: #0f0; padding: 1rem; border-radius: var(--radius-sm); overflow-x: auto; font-family: 'Menlo', 'Monaco', monospace; font-size: 0.8rem; max-height: 400px; overflow-y: auto; }
.code-block { background: var(--bg-deep); color: var(--text-primary); padding: 1rem; border-radius: var(--radius-sm); font-family: monospace; font-size: 0.8rem; overflow-x: auto; margin-top: 1rem; white-space: pre; }

.advanced-card { cursor: pointer; }
.advanced-card summary { color: var(--text-secondary); font-size: 0.85rem; }

/* =============================================
   SYSTEM
   ============================================= */
.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.stat-item { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; text-align: center; }
.stat-value { font-size: 2rem; display: block; margin-bottom: 0.5rem; }
.stat-label { font-size: 0.8rem; color: var(--text-secondary); }

/* =============================================
   EMPTY STATE
   ============================================= */
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--text-secondary); }
.empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { margin-bottom: 0.5rem; }
.empty-state code { background: var(--bg-elevated); padding: 2px 8px; border-radius: 3px; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
    .app-layout { flex-direction: column; }
    .app-sidebar { width: 100%; height: auto; position: relative; flex-direction: row; flex-wrap: wrap; }
    .sidebar-header { flex: 1; }
    .app-nav { flex-direction: row; overflow-x: auto; padding: 0.5rem; }
    .docs-grid { grid-template-columns: 1fr; }
    .params-grid { grid-template-columns: 1fr; }
    .apps-grid { grid-template-columns: 1fr; }
    .launcher-topbar { padding: 1rem; }
    .launcher-content { padding: 1.5rem 1rem; }
}