/* Connector — Base Styles */

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

:root {
    --bg:           #0f1117;
    --surface:      #1a1d27;
    --surface-2:    #222536;
    --border:       #2a2d3e;
    --text:         #e2e4ef;
    --text-muted:   #7b7f96;
    --accent:       #4f7ef8;
    --accent-hover: #6690fa;
    --success:      #34d399;
    --warning:      #fbbf24;
    --danger:       #f87171;
    --radius:       6px;
    --font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ============================================================
   LOGIN PAGE
   ============================================================ */

.page-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-box {
    width: 360px;
    padding: 40px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.login-box h1 {
    margin: 0 0 4px;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.login-subtitle {
    margin: 0 0 28px;
    color: var(--text-muted);
    font-size: 13px;
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */

.field { margin-bottom: 16px; }

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    font-family: var(--font);
    outline: none;
    transition: border-color 0.15s;
}

.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--accent); }

.field textarea { resize: vertical; min-height: 80px; }

/* Checkbox field variant */
.field-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}
.field-check input[type="checkbox"] { width: auto; }
.field-check label {
    margin: 0;
    text-transform: none;
    letter-spacing: normal;
    font-size: 14px;
    color: var(--text);
}
.field-check .field-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn-primary,
button[type="submit"] {
    display: inline-block;
    padding: 8px 16px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: background 0.15s;
    text-align: center;
    text-decoration: none;
}

.btn-primary:hover:not(:disabled),
button[type="submit"]:hover:not(:disabled) {
    background: var(--accent-hover);
    color: #fff;
}

.btn-primary:disabled,
button[type="submit"]:disabled { opacity: 0.6; cursor: not-allowed; }

/* Full-width variant for login */
.login-box button[type="submit"] { width: 100%; margin-top: 8px; padding: 10px; }

.btn-secondary {
    display: inline-block;
    padding: 8px 16px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    text-decoration: none;
}

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

.btn-danger {
    display: inline-block;
    padding: 8px 16px;
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
}

.btn-danger:hover { background: rgba(248, 113, 113, 0.1); color: var(--danger); }

/* ============================================================
   APP SHELL — HEADER
   ============================================================ */

.app-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    height: 52px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 32px;
}

.app-logo {
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.02em;
    color: var(--text);
    flex-shrink: 0;
}

.app-nav {
    display: flex;
    gap: 4px;
}

.app-nav a {
    padding: 4px 10px;
    color: var(--text-muted);
    font-size: 13px;
    border-radius: var(--radius);
    transition: color 0.15s, background 0.15s;
}

.app-nav a:hover { color: var(--text); background: var(--surface-2); }
.app-nav a.active { color: var(--text); background: var(--surface-2); }

.header-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
}

.header-user-name { color: var(--text-muted); }

/* ============================================================
   APP SHELL — MAIN CONTENT
   ============================================================ */

.app-main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 24px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h1 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

/* ============================================================
   MESSAGES
   ============================================================ */

.msg-error {
    margin-top: 12px;
    padding: 8px 12px;
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    color: var(--danger);
    font-size: 13px;
}

.msg-success {
    margin-top: 12px;
    padding: 8px 12px;
    background: rgba(52, 211, 153, 0.08);
    border: 1px solid var(--success);
    border-radius: var(--radius);
    color: var(--success);
    font-size: 13px;
}

.msg-warning {
    margin-top: 12px;
    padding: 8px 12px;
    background: rgba(251, 191, 36, 0.08);
    border: 1px solid var(--warning);
    border-radius: var(--radius);
    color: var(--warning);
    font-size: 13px;
}

/* ============================================================
   STATUS BADGES
   ============================================================ */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-active   { background: rgba(52, 211, 153, 0.12); color: var(--success); }
.badge-paused   { background: rgba(123, 127, 150, 0.15); color: var(--text-muted); }
.badge-error    { background: rgba(248, 113, 113, 0.12); color: var(--danger); }
.badge-warning  { background: rgba(251, 191, 36, 0.12); color: var(--warning); }
.badge-running  { background: rgba(79, 126, 248, 0.12); color: var(--accent); }

/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
    padding: 64px 32px;
    text-align: center;
    color: var(--text-muted);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

.empty-state p { margin: 0 0 16px; font-size: 15px; }

/* ============================================================
   UTILITIES
   ============================================================ */

.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }

/* ============================================================
   CONNECTOR LIST (Phase 2)
   ============================================================ */

.connector-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 16px;
}

.connector-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: border-color 0.15s;
    cursor: pointer;
    text-decoration: none;
    display: block;
    color: var(--text);
}

.connector-card:hover {
    border-color: var(--accent);
    color: var(--text);
}

.connector-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.connector-card-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
}

.connector-card-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.connector-card-meta span { white-space: nowrap; }

/* ============================================================
   FORM SECTIONS (Phase 2 — connector edit page)
   ============================================================ */

.section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-header h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.section-header .btn-primary,
.section-header .btn-secondary {
    flex-shrink: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

/* ============================================================
   SCHEMA BUILDER (downstream column definition)
   ============================================================ */

.schema-builder { margin-top: 12px; }

.schema-row {
    display: grid;
    grid-template-columns: 1fr 140px 60px 36px;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

.schema-row input,
.schema-row select {
    padding: 6px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 13px;
    font-family: var(--font);
    outline: none;
}

.schema-row input:focus,
.schema-row select:focus { border-color: var(--accent); }

.schema-row label {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: center;
}

.schema-row .btn-icon {
    padding: 4px 8px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    transition: color 0.15s, border-color 0.15s;
}

.schema-row .btn-icon:hover { color: var(--danger); border-color: var(--danger); }

.schema-labels {
    display: grid;
    grid-template-columns: 1fr 140px 60px 36px;
    gap: 8px;
    margin-bottom: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ============================================================
   CREDENTIAL LIST
   ============================================================ */

.credential-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 8px;
    font-size: 13px;
}

.credential-row .key-name {
    font-weight: 500;
    font-family: 'SFMono-Regular', Consolas, monospace;
}

.credential-row .key-mask { color: var(--text-muted); margin-left: 12px; }

.credential-add {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 8px;
    align-items: end;
    margin-top: 12px;
}

.credential-add input,
.credential-add select {
    padding: 6px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 13px;
    font-family: var(--font);
    outline: none;
}

.credential-add input:focus,
.credential-add select:focus { border-color: var(--accent); }

/* ============================================================
   DANGER ZONE
   ============================================================ */

.danger-zone {
    border-color: rgba(248, 113, 113, 0.3);
}

.danger-zone .section-header h2 { color: var(--danger); }

/* ============================================================
   INLINE NEW-CONNECTOR FORM
   ============================================================ */

.inline-form {
    background: var(--surface);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

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

.inline-form-header h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.inline-form-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

/* ============================================================
   BACK LINK
   ============================================================ */

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 16px;
}

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

/* ============================================================
   SECTION MESSAGE (per-section feedback)
   ============================================================ */

.section-msg {
    margin-top: 12px;
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 13px;
}

.section-msg-success {
    background: rgba(52, 211, 153, 0.08);
    border: 1px solid var(--success);
    color: var(--success);
}

.section-msg-error {
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid var(--danger);
    color: var(--danger);
}