/* ============================================================
   Layout shell
   ============================================================ */

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

.sidebar {
    width: 260px;
    flex-shrink: 0;
    padding: var(--space-5) var(--space-4);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: 6px 0 32px -18px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 40;
    transition: transform 0.25s ease;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.brand-mark {
    width: 34px; height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-tech));
    box-shadow: 0 4px 16px var(--accent-tech-soft);
    flex-shrink: 0;
    animation: glm-breathe 3.2s ease-in-out infinite;
}
@keyframes glm-breathe {
    0%, 100% { box-shadow: 0 4px 16px var(--accent-tech-soft); }
    50% { box-shadow: 0 4px 26px rgba(34, 230, 196, 0.5); }
}

.nav-group { display: flex; flex-direction: column; gap: var(--space-1); }
.nav-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: var(--space-3) var(--space-2) var(--space-1);
}

.nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 8px 14px 8px 16px;
    border-radius: 14px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    letter-spacing: 0.003em;
    overflow: hidden;
    transition: background 0.35s cubic-bezier(.4,0,.2,1), color 0.3s ease, padding-left 0.3s ease, box-shadow 0.35s ease;
}
.nav-link::before {
    content: '';
    position: absolute;
    left: 3px;
    top: 50%;
    width: 3px;
    height: 58%;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--accent-gold), var(--accent-tech));
    transform: translateY(-50%) scaleY(0);
    transform-origin: center;
    transition: transform 0.35s cubic-bezier(.34,1.56,.64,1);
}
.nav-link::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(100deg, var(--accent-tech-soft) 0%, rgba(224,176,106,0.10) 45%, transparent 75%);
    background-size: 240% 100%;
    background-position: 0% 0;
    opacity: 0;
    transition: opacity 0.35s ease;
    z-index: -1;
}
.nav-link:hover {
    color: var(--text-primary);
    text-decoration: none;
    padding-left: 20px;
    background: var(--glass-bg-strong);
}
.nav-link:hover::before { transform: translateY(-50%) scaleY(0.35); }

/* Icon chip — the main "luxury" carrier: a small gradient jewel that
   lights up on the active item, echoing the brand mark. */
.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 9px;
    font-size: 14px;
    background: var(--glass-bg-strong);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    transition: background 0.4s cubic-bezier(.4,0,.2,1), box-shadow 0.4s ease, transform 0.4s cubic-bezier(.34,1.56,.64,1);
}
.nav-link:hover .nav-icon { transform: scale(1.08) rotate(-3deg); }

.nav-link.active {
    color: var(--text-primary);
    font-weight: 600;
    box-shadow: inset 0 0 0 1px var(--glass-border-strong), 0 10px 24px -12px rgba(34, 230, 196, 0.5);
}
.nav-link.active::before { transform: translateY(-50%) scaleY(1); }
.nav-link.active::after {
    opacity: 1;
    animation: glm-nav-shimmer 7s ease-in-out infinite;
}
.nav-link.active .nav-icon,
.page-echo-icon {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-tech));
    box-shadow: 0 4px 14px -3px rgba(34, 230, 196, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transform: scale(1.03);
    animation: glm-breathe 3.2s ease-in-out infinite;
}
.page-echo-icon { width: 32px; height: 32px; border-radius: 10px; font-size: 15px; }

@keyframes glm-nav-shimmer {
    0%, 100% { background-position: 0% 0; }
    50% { background-position: 100% 0; }
}

@media (prefers-reduced-motion: reduce) {
    .nav-link.active::after,
    .brand-mark,
    .nav-link.active .nav-icon,
    .page-echo-icon {
        animation: none;
    }
}

.main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(520px 320px at 0% 0%, var(--accent-tech-soft), transparent 60%),
        radial-gradient(380px 240px at 4% 26%, var(--accent-gold-soft), transparent 65%);
    background-repeat: no-repeat;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(90deg, var(--accent-tech-soft), transparent 55%), var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 6px 28px -18px rgba(0, 0, 0, 0.5);
    position: sticky;
    top: 0;
    z-index: 30;
}

.menu-toggle {
    display: none;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    width: 40px; height: 40px;
    align-items: center; justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
}

.content {
    padding: var(--space-6);
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
}

/* ============================================================
   Glass surfaces
   ============================================================ */

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: var(--space-5);
}

.glass-card--tight { padding: var(--space-4); }

.glass-panel {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

.glow-gold { box-shadow: 0 0 0 1px var(--accent-gold-soft), 0 12px 40px -12px rgba(224, 176, 106, 0.35); }
.glow-tech { box-shadow: 0 0 0 1px var(--accent-tech-soft), 0 12px 40px -12px rgba(34, 230, 196, 0.35); }
.glow-violet { box-shadow: 0 0 0 1px var(--accent-violet-soft), 0 12px 40px -12px rgba(139, 123, 255, 0.35); }

/* ============================================================
   Buttons
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease, opacity 0.15s ease;
    text-decoration: none;
    line-height: 1;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), #c99a52);
    color: #241a08;
    box-shadow: 0 6px 20px -6px rgba(224, 176, 106, 0.55);
}
.btn-primary:hover { box-shadow: 0 8px 24px -6px rgba(224, 176, 106, 0.7); }

.btn-accent {
    background: linear-gradient(135deg, var(--accent-violet), #6d5ce0);
    color: #fff;
    box-shadow: 0 6px 20px -6px rgba(139, 123, 255, 0.55);
}

.btn-glass {
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border-strong);
    color: var(--text-primary);
}
.btn-glass:hover { background: var(--glass-bg); }

.btn-danger {
    background: rgba(255, 122, 122, 0.14);
    border: 1px solid rgba(255, 122, 122, 0.35);
    color: var(--accent-red);
}

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-block { width: 100%; }
.btn-icon { width: 38px; height: 38px; padding: 0; border-radius: var(--radius-sm); }

/* ============================================================
   Forms
   ============================================================ */

.field { margin-bottom: var(--space-4); }
.field label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.input, select.input, textarea.input {
    width: 100%;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border-strong);
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.92rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input:focus {
    outline: none;
    border-color: var(--accent-tech);
    box-shadow: 0 0 0 3px var(--accent-tech-soft);
}
.input::placeholder { color: var(--text-muted); }

/* Chrome/Safari paint saved-credential fields with their own light
   autofill background, ignoring our theme — force it back to ours. */
.input:-webkit-autofill,
.input:-webkit-autofill:hover,
.input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--text-primary);
    -webkit-box-shadow: 0 0 0 1000px var(--input-bg) inset;
    box-shadow: 0 0 0 1000px var(--input-bg) inset;
    caret-color: var(--text-primary);
    transition: background-color 9999s ease-in-out 0s;
}

select.input option {
    background: var(--bg-2);
    color: var(--text-primary);
}

.field-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: var(--space-1); }
.field-error { font-size: 0.78rem; color: var(--accent-red); margin-top: var(--space-1); }

.checkbox-row { display: flex; align-items: center; gap: var(--space-2); }

/* Use classes (not inline style="display:flex") on any element toggled via
   Alpine's x-show — Alpine manages the inline `display` property itself and
   strips a custom inline value back to the tag's default on show. */
.field-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.form-stack { display: flex; flex-direction: column; gap: var(--space-4); margin-top: 2px; }

/* ============================================================
   Badges / pills
   ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.badge-neutral { background: var(--glass-bg-strong); color: var(--text-secondary); }
.badge-gold { background: var(--accent-gold-soft); color: var(--accent-gold); }
.badge-violet { background: var(--accent-violet-soft); color: var(--accent-violet); }
.badge-green { background: rgba(95, 214, 160, 0.14); color: var(--accent-green); }
.badge-red { background: rgba(255, 122, 122, 0.14); color: var(--accent-red); }
.badge-amber { background: rgba(242, 196, 100, 0.14); color: var(--accent-amber); }

/* ============================================================
   Tables
   ============================================================ */

.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--glass-border); }
table.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; min-width: 640px; }
table.data-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--glass-bg-strong);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
}
table.data-table td { padding: 12px 16px; border-top: 1px solid var(--glass-border); color: var(--text-primary); }
table.data-table tbody tr:hover { background: rgba(255, 255, 255, 0.03); }

/* ============================================================
   Stat tiles / grid
   ============================================================ */

.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.stat-tile { display: flex; flex-direction: column; gap: var(--space-1); }
.stat-tile .stat-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-tile .stat-value { font-family: var(--font-display); font-size: 2rem; color: var(--text-primary); }
.stat-tile .stat-delta { font-size: 0.8rem; }

/* ============================================================
   Toasts / flash
   ============================================================ */

.toast-stack {
    position: fixed;
    top: var(--space-5);
    right: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    z-index: 100;
}
.toast {
    min-width: 260px;
    max-width: 360px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border-strong);
    box-shadow: var(--glass-shadow);
    font-size: 0.88rem;
    color: var(--text-primary);
}
.toast-success { border-left: 3px solid var(--accent-green); }
.toast-error { border-left: 3px solid var(--accent-red); }

/* ============================================================
   Theme toggle switch
   ============================================================ */

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 4px;
    cursor: pointer;
}
.theme-toggle button {
    border: none;
    background: transparent;
    color: var(--text-muted);
    width: 30px; height: 30px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.theme-toggle button.active { background: var(--accent-tech); color: #fff; }

/* ============================================================
   Auth / public centered layout
   ============================================================ */

.centered-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5);
}
.centered-card { width: 100%; max-width: 420px; }
.centered-card.wide { max-width: 640px; }

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 960px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .content { padding: var(--space-4); }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0; top: 0;
        transform: translateX(-100%);
        box-shadow: 0 0 40px rgba(0,0,0,0.5);
    }
    .sidebar.open { transform: translateX(0); }
    .menu-toggle { display: flex; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .topbar { padding: var(--space-3) var(--space-4); }
}

.sidebar-scrim {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 35;
}
.sidebar-scrim.open { display: block; }

/* ============================================================
   Template builder — draggable editor rows + live preview
   ============================================================ */

.builder-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    touch-action: none;
}
.builder-drag-handle {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    margin-top: 4px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg-strong);
    color: var(--text-muted);
    cursor: grab;
    user-select: none;
    transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
.builder-drag-handle:hover { background: var(--accent-violet-soft); color: var(--text-primary); }
.builder-row.is-dragging {
    z-index: 20;
    opacity: 0.9;
}
.builder-row.is-dragging .builder-drag-handle {
    cursor: grabbing;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-violet));
    color: #fff;
    transform: scale(1.08);
}
.builder-row.is-dragging .glass-panel {
    box-shadow: 0 16px 32px -12px rgba(139, 123, 255, 0.5), inset 0 0 0 1px var(--accent-violet-soft);
}

.builder-width-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}
.builder-width-row input[type="range"] {
    flex: 1;
    accent-color: var(--accent-tech);
}
.builder-width-value {
    font-size: 0.78rem;
    color: var(--text-muted);
    min-width: 38px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.builder-variant-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
}
.builder-variant-tabs button {
    flex: 1;
    padding: 7px 10px;
    border-radius: 8px;
    border: 1px solid var(--glass-border-strong);
    background: var(--glass-bg);
    color: var(--text-secondary);
    font-size: 0.78rem;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.builder-variant-tabs button.active {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-violet));
    color: #241a08;
    font-weight: 600;
    box-shadow: 0 4px 14px -4px rgba(139, 123, 255, 0.5);
}

.builder-style-panel {
    margin-top: 10px;
    padding: 12px;
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.builder-style-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 32px;
}
.builder-style-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}
.builder-style-row select.input {
    flex: 0 1 auto;
    width: auto;
    min-width: 112px;
    padding: 6px 10px;
    font-size: 0.78rem;
    height: auto;
}
.builder-style-swatches {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* A color input styled as a ring-framed chip so it reads as part of the
   glass UI instead of the browser's bare native swatch rectangle. */
.builder-swatch {
    display: inline-flex;
    width: 30px;
    height: 30px;
    padding: 3px;
    border-radius: 50%;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border-strong);
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.builder-swatch:hover { border-color: var(--accent-tech); transform: scale(1.06); }
.builder-swatch:focus-within { border-color: var(--accent-tech); box-shadow: 0 0 0 3px var(--accent-tech-soft); }
.builder-swatch input[type="color"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 100%;
    border: none;
    padding: 0;
    background: none;
    cursor: pointer;
    border-radius: 50%;
}
.builder-swatch input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; border-radius: 50%; }
.builder-swatch input[type="color"]::-webkit-color-swatch { border: none; border-radius: 50%; }
.builder-swatch input[type="color"]::-moz-color-swatch { border: none; border-radius: 50%; }

.builder-style-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
}
.builder-style-toggle input[type="checkbox"] {
    accent-color: var(--accent-tech);
    width: 14px;
    height: 14px;
    cursor: pointer;
}

/* --- Live in-DOM preview, styled to mirror the actual email --- */

.email-preview-surface {
    background: #0f1117;
    border-radius: 12px;
    padding: 28px 18px;
}
.email-preview-card {
    background: #171923;
    border-radius: 16px;
    padding: 36px 30px;
    font-family: Georgia, serif;
    color: #f3f1ec;
    max-width: 560px;
    margin: 0 auto;
}
.email-preview-row {
    display: flex;
    gap: 12px;
    margin-bottom: 4px;
}
.email-preview-block {
    position: relative;
    min-width: 0;
    border-radius: 8px;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
}
.email-preview-block:hover {
    box-shadow: 0 0 0 1px var(--accent-violet-soft);
}
.email-preview-block.is-dragging {
    box-shadow: 0 0 0 2px var(--accent-gold);
    transform: scale(1.02);
    z-index: 5;
}
.email-preview-handle {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 24px;
    height: 24px;
    border-radius: 7px;
    background: var(--glass-bg-strong);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: grab;
    opacity: 0;
    transition: opacity 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.email-preview-block:hover .email-preview-handle { opacity: 1; }
.email-preview-handle:hover { background: var(--accent-violet); color: #fff; }

.email-preview-resize {
    position: absolute;
    top: 0;
    right: -7px;
    bottom: 0;
    width: 14px;
    cursor: col-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.email-preview-block:hover .email-preview-resize { opacity: 1; }
.email-preview-resize::before {
    content: '';
    width: 4px;
    height: 36px;
    border-radius: 4px;
    background: var(--accent-violet);
    box-shadow: 0 0 0 3px var(--glass-bg-strong);
}