/* ============================================================
   MediaTools — Email Signature Studio
   signature.css
   ============================================================ */

/* ── CSS Variables ──────────────────────────────────────── */
:root {
    --sig-bg:        #040f0f;
    --sig-card:      #0b2323;
    --sig-border:    rgba(255, 255, 255, 0.06);
    --sig-accent:    #a3e635;
    --sig-accent-dim:rgba(163, 230, 53, 0.12);
    --sig-glow:      rgba(163, 230, 53, 0.25);
    --sig-text:      #f0fdf4;
    --sig-muted:     #6b7280;
    --sig-dim:       #9ca3af;
    --ease-bounce:   cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-smooth:   cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Shell ──────────────────────────────────────────────── */
.sig-shell {
    background: var(--sig-bg);
    min-height: 100vh;
    padding-top: 90px;
    padding-bottom: 60px;
}

/* ── Top Bar ────────────────────────────────────────────── */
.sig-topbar {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-bottom: 28px;
    margin-bottom: 36px;
    border-bottom: 1px solid var(--sig-border);
}

@media (min-width: 768px) {
    .sig-topbar { flex-direction: row; align-items: center; justify-content: space-between; }
}

.sig-topbar-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    background: var(--sig-accent-dim);
    border: 1px solid rgba(163,230,53,0.25);
    border-radius: 99px;
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--sig-accent);
    margin-bottom: 8px;
}

.sig-topbar-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: #ffffff;
    letter-spacing: -0.04em;
    line-height: 1;
}

.sig-topbar-title span { color: var(--sig-accent); }

.sig-topbar-sub {
    font-size: 13px;
    color: var(--sig-muted);
    font-weight: 500;
    margin-top: 6px;
}

/* ── Glass Card ─────────────────────────────────────────── */
.sig-glass {
    background: linear-gradient(145deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid var(--sig-border);
    border-radius: 28px;
    box-shadow: 0 32px 80px rgba(0,0,0,0.4);
}

/* ── Form Section ───────────────────────────────────────── */
.sig-section-title {
    font-size: 9px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: rgba(255,255,255,0.25);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.sig-section-title .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--sig-accent);
    animation: pulse-dot 2s infinite;
}

/* ── Form Controls ──────────────────────────────────────── */
.sig-label {
    display: block;
    font-size: 9px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(255,255,255,0.3);
    margin-bottom: 8px;
}

.sig-input {
    width: 100%;
    padding: 13px 16px;
    border-radius: 14px;
    font-size: 13px;
    font-weight: 500;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: #ffffff;
    transition: all 0.35s var(--ease-smooth);
    font-family: 'Plus Jakarta Sans', sans-serif;
    outline: none;
    -webkit-appearance: none;
}

.sig-input::placeholder { color: rgba(255,255,255,0.18); }

.sig-input:hover {
    border-color: rgba(163, 230, 53, 0.25);
}

.sig-input:focus {
    border-color: var(--sig-accent);
    background: rgba(163, 230, 53, 0.04);
    box-shadow: 0 0 0 4px rgba(163,230,53,0.08);
    transform: translateY(-1px);
}

/* Avatar Upload */
.sig-avatar-wrap {
    position: relative;
    width: 72px;
    height: 72px;
    flex-shrink: 0;
}

.sig-avatar-img {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,0.1);
    display: block;
}

.sig-avatar-overlay {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    background: rgba(0,0,0,0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    cursor: pointer;
    transition: opacity 0.25s;
}

.sig-avatar-wrap:hover .sig-avatar-overlay { opacity: 1; }

/* Color Picker */
.sig-color-label {
    display: block;
    font-size: 9px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(255,255,255,0.3);
    margin-bottom: 10px;
}

.sig-colors {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.sig-color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.25s var(--ease-bounce);
    flex-shrink: 0;
}

.sig-color-swatch:hover    { transform: scale(1.15); }
.sig-color-swatch.selected { border-color: white; box-shadow: 0 0 0 2px rgba(255,255,255,0.3); }

/* Template Selector */
.sig-tpl-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.sig-tpl-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 8px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--sig-border);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.sig-tpl-btn:hover {
    border-color: rgba(163,230,53,0.3);
    background: rgba(163,230,53,0.04);
}

.sig-tpl-btn.active {
    border-color: var(--sig-accent);
    background: var(--sig-accent-dim);
}

.sig-tpl-thumb {
    width: 100%;
    height: 44px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    background: #f1f5f9;
}

/* Thumbnail mini-previews */
.thumb-1 {
    background: white;
    display: flex;
    align-items: center;
    padding: 6px;
    gap: 5px;
}

.thumb-1-line {
    width: 3px; height: 100%;
    border-radius: 99px;
}

.thumb-1-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex: 1;
}

.thumb-bar {
    border-radius: 99px;
    height: 4px;
}

.thumb-2 {
    background: white;
    display: flex;
    flex-direction: column;
}

.thumb-2-header {
    height: 14px;
    width: 100%;
    border-radius: 3px 3px 0 0;
}

.thumb-2-body {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 5px;
}

.thumb-3 {
    display: flex;
    align-items: center;
    gap: 0;
    background: white;
    padding: 4px;
}

.thumb-3-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
}

.thumb-3-right {
    flex: 1;
    padding-left: 5px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.sig-tpl-name {
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.5);
}

.sig-tpl-btn.active .sig-tpl-name { color: var(--sig-accent); }

/* Save Button */
.sig-save-btn {
    width: 100%;
    padding: 16px;
    background: var(--sig-accent);
    color: #040f0f;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 12px;
    border-radius: 16px;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--ease-bounce);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    position: relative;
    overflow: hidden;
}

.sig-save-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

.sig-save-btn:hover:not(:disabled) {
    background: #bef264;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px var(--sig-glow);
}

.sig-save-btn:hover::before { opacity: 1; }
.sig-save-btn:active { transform: translateY(1px); }
.sig-save-btn:disabled { opacity: 0.7; cursor: not-allowed; }

/* ── Preview Panel ──────────────────────────────────────── */
.sig-preview-panel {
    position: sticky;
    top: 100px;
}

.sig-preview-wrap {
    background: linear-gradient(135deg, #0b2323 0%, var(--sig-bg) 100%);
    border: 1px solid rgba(163,230,53,0.08);
    border-radius: 32px;
    padding: 28px;
    box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}

.sig-preview-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.sig-live-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.25);
}

.sig-live-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--sig-accent);
    box-shadow: 0 0 8px var(--sig-accent);
    animation: pulse-dot 2s infinite;
}

.sig-preview-bg {
    background: #e8edf2;
    border-radius: 20px;
    padding: 40px 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    position: relative;
    box-shadow: inset 0 2px 16px rgba(0,0,0,0.08);
}

/* Email client chrome UI */
.sig-preview-bg::before {
    content: 'Email Client Preview';
    position: absolute;
    top: 12px; left: 16px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(0,0,0,0.2);
}

/* The actual signature box shown in preview */
#signature-content {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
    max-width: 100%;
}

/* ── Action Buttons ─────────────────────────────────────── */
.sig-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-top: 20px;
}

.sig-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 8px;
    border-radius: 14px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    border: none;
    transition: all 0.3s var(--ease-bounce);
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.sig-action-btn.primary {
    background: white;
    color: #0f172a;
    grid-column: span 2;
}

.sig-action-btn.primary:hover {
    background: var(--sig-accent);
    color: #040f0f;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(163,230,53,0.3);
}

.sig-action-btn.secondary {
    background: rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.6);
    border: 1px solid var(--sig-border);
}

.sig-action-btn.secondary:hover {
    background: rgba(255,255,255,0.1);
    color: white;
    transform: translateY(-2px);
}

.sig-action-btn.copy-btn {
    background: var(--sig-accent-dim);
    color: var(--sig-accent);
    border: 1px solid rgba(163,230,53,0.2);
    grid-column: span 3;
}

.sig-action-btn.copy-btn:hover {
    background: var(--sig-accent);
    color: #040f0f;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--sig-glow);
}

/* ── Deployment Guide ───────────────────────────────────── */
.sig-guide {
    background: rgba(163,230,53,0.04);
    border: 1px solid rgba(163,230,53,0.1);
    border-radius: 24px;
    padding: 24px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    margin-top: 16px;
}

.sig-guide-icon {
    width: 44px; height: 44px;
    background: var(--sig-accent);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 8px 20px var(--sig-glow);
}

.sig-guide-title {
    font-size: 9px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--sig-accent);
    margin-bottom: 6px;
}

.sig-guide-text {
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    line-height: 1.7;
}

.sig-guide-text b { color: rgba(255,255,255,0.7); font-weight: 700; }

/* ── How-to steps ───────────────────────────────────────── */
.sig-steps {
    counter-reset: steps;
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sig-step {
    counter-increment: steps;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    line-height: 1.5;
}

.sig-step::before {
    content: counter(steps);
    min-width: 20px;
    height: 20px;
    background: rgba(163,230,53,0.1);
    border: 1px solid rgba(163,230,53,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 900;
    color: var(--sig-accent);
    flex-shrink: 0;
    margin-top: 1px;
}

/* ── Toast ──────────────────────────────────────────────── */
#toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    min-width: 220px;
    padding: 14px 24px;
    border-radius: 20px;
    font-weight: 800;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 24px 48px rgba(0,0,0,0.5);
    z-index: 9999;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    pointer-events: none;
}

#toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── Animations ─────────────────────────────────────────── */
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.4; transform: scale(0.7); }
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
    .sig-actions { grid-template-columns: 1fr 1fr; }
    .sig-action-btn.primary   { grid-column: span 2; }
    .sig-action-btn.copy-btn  { grid-column: span 2; }
    .sig-action-btn.secondary { grid-column: span 2; }
}

/* ── Print ──────────────────────────────────────────────── */
@media print {
    body * { visibility: hidden !important; }
    #signature-content, #signature-content * { visibility: visible !important; }
    #signature-content {
        position: fixed !important;
        left: 50% !important;
        top: 50% !important;
        transform: translate(-50%, -50%) !important;
        box-shadow: none !important;
        border-radius: 0 !important;
    }
    body { background: white !important; }
    * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
    @page { margin: 0; size: auto; }
}