/* ==========================================================================
   WEBLY SIGNUP - MODERN MULTI-STEP FLOW STYLES
   Color Scheme: #1F5E52 (Deep Emerald Pine)
   ========================================================================== */

:root {
    --su-primary: #1F5E52;
    --su-primary-hover: #174a40;
    --su-primary-dark: #0f332c;
    --su-primary-light: #edf6f4;
    --su-primary-glow: rgba(31, 94, 82, 0.22);

    --su-accent: #14b8a6;
    --su-accent-light: #ccfbf1;
    --su-success: #10b981;
    --su-danger: #ef4444;
    --su-warning: #f59e0b;

    --su-bg-page: #f8fafc;
    --su-bg-surface: #ffffff;
    --su-bg-subtle: #f1f5f9;

    --su-text-main: #0f172a;
    --su-text-muted: #64748b;
    --su-text-light: #94a3b8;

    --su-border: #e2e8f0;
    --su-border-focus: #1F5E52;

    --su-radius-sm: 8px;
    --su-radius-md: 14px;
    --su-radius-lg: 20px;
    --su-radius-pill: 9999px;

    --su-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --su-shadow-md: 0 10px 25px -5px rgba(31, 94, 82, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --su-shadow-lg: 0 20px 35px -10px rgba(31, 94, 82, 0.12);
}

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

body {
    background-color: var(--su-bg-page);
    background-image: 
        radial-gradient(at 0% 0%, rgba(31, 94, 82, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(20, 184, 166, 0.06) 0px, transparent 50%);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--su-text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ---------------- HEADER ---------------- */
.su-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--su-border);
    padding: 1rem 0;
    width: 100%;
}

.su-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.su-brand-logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--su-text-main);
    text-decoration: none;
    letter-spacing: -0.03em;
}

.su-brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: linear-gradient(135deg, #1F5E52 0%, #15423a 50%, #14b8a6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px var(--su-primary-glow);
}

.su-header-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.su-nav-link {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--su-text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.su-nav-link:hover {
    color: var(--su-primary);
}

/* ---------------- MAIN CONTAINER ---------------- */
.su-main-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.25rem;
}

.su-wrap {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
}

/* ---------------- STEP PROGRESS BAR ---------------- */
.su-progress {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.su-progress-seg {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.su-progress-bar {
    display: block;
    height: 4px;
    background: #e2e8f0;
    border-radius: 999px;
    transition: background 0.3s ease;
}

.su-progress-seg.is-active .su-progress-bar {
    background: var(--su-primary);
}

.su-progress-label-row {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.su-progress-num {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--su-text-light);
}

.su-progress-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--su-text-muted);
}

.su-progress-seg.is-active .su-progress-num,
.su-progress-seg.is-active .su-progress-label {
    color: var(--su-primary);
    font-weight: 700;
}

/* ---------------- STEP CARD ---------------- */
.su-card {
    background: var(--su-bg-surface);
    border: 1px solid var(--su-border);
    border-radius: var(--su-radius-lg);
    padding: 2.5rem 2.25rem;
    box-shadow: var(--su-shadow-md);
    position: relative;
    overflow: hidden;
}

.su-step h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--su-text-main);
    letter-spacing: -0.03em;
    margin-bottom: 0.35rem;
}

.su-sub {
    color: var(--su-text-muted);
    font-size: 0.94rem;
    line-height: 1.5;
    margin-bottom: 1.75rem;
}

/* ---------------- FORM LABELS & INPUTS ---------------- */
.su-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--su-text-main);
    margin-bottom: 0.45rem;
}

.su-input {
    width: 100%;
    padding: 0.75rem 0.95rem;
    border: 1.5px solid var(--su-border);
    border-radius: var(--su-radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--su-text-main);
    background: white;
    outline: none;
    transition: all 0.2s ease;
}

.su-input::placeholder {
    color: #94a3b8;
}

.su-input:focus {
    border-color: var(--su-primary);
    box-shadow: 0 0 0 3px var(--su-primary-glow);
}

/* Subdomain Row Input */
.su-domain-row {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--su-border);
    border-radius: var(--su-radius-sm);
    background: white;
    overflow: hidden;
    transition: all 0.2s ease;
}

.su-domain-row:focus-within {
    border-color: var(--su-primary);
    box-shadow: 0 0 0 3px var(--su-primary-glow);
}

.su-domain-row .su-input {
    border: none;
    border-radius: 0;
    box-shadow: none !important;
}

.su-domain-suffix {
    padding: 0 1rem;
    color: var(--su-text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    background: #f8fafc;
    border-left: 1px solid var(--su-border);
    height: 100%;
    display: flex;
    align-items: center;
    user-select: none;
    white-space: nowrap;
}

.su-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.5rem;
    font-size: 0.82rem;
    font-weight: 600;
}

.su-hint--ok {
    color: var(--su-primary);
    background: var(--su-primary-light);
    padding: 0.2rem 0.6rem;
    border-radius: var(--su-radius-pill);
}

.su-hint--bad {
    color: var(--su-danger);
    background: #fef2f2;
    padding: 0.2rem 0.6rem;
    border-radius: var(--su-radius-pill);
}

.su-error {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--su-danger);
}

/* ---------------- CATEGORY GRID TILES ---------------- */
.su-category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.su-category-tile {
    padding: 0.9rem 1rem;
    border: 1.5px solid var(--su-border);
    border-radius: var(--su-radius-sm);
    background: white;
    text-align: left;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--su-text-main);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.su-category-tile:hover {
    border-color: var(--su-primary);
    background: #f8fafc;
}

.su-category-tile.is-selected {
    border-color: var(--su-primary);
    background: var(--su-primary-light);
    color: var(--su-primary);
    box-shadow: 0 0 0 2px var(--su-primary);
}

.su-link-btn {
    background: none;
    border: none;
    color: var(--su-primary);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.4rem 0;
    text-decoration: underline;
    transition: color 0.2s ease;
}

.su-link-btn:hover {
    color: var(--su-primary-hover);
}

/* ---------------- REVIEW STEP TABLE ---------------- */
.su-review {
    margin: 0.75rem 0 2rem;
    border: 1px solid var(--su-border);
    border-radius: var(--su-radius-sm);
    background: #f8fafc;
    overflow: hidden;
}

.su-review-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--su-border);
    font-size: 0.9rem;
}

.su-review-row:last-child {
    border-bottom: none;
}

.su-review-row span {
    color: var(--su-text-muted);
    font-weight: 500;
}

.su-review-row strong {
    font-weight: 700;
    color: var(--su-text-main);
    text-align: right;
}

/* ---------------- ACTIONS & BUTTONS ---------------- */
.su-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    gap: 1rem;
}

.su-actions--end {
    justify-content: flex-end;
}

.su-btn-primary {
    background: linear-gradient(135deg, #1F5E52 0%, #15423a 100%);
    color: white !important;
    border: none;
    padding: 0.75rem 1.65rem;
    border-radius: var(--su-radius-sm);
    font-size: 0.94rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px var(--su-primary-glow);
    transition: all 0.2s ease;
}

.su-btn-primary:hover {
    background: linear-gradient(135deg, #174a40 0%, #0f332c 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(31, 94, 82, 0.3);
}

.su-btn-block {
    width: 100%;
    margin-top: 1.5rem;
}

/* ---------------- LOADING CHECKLIST ---------------- */
.su-checklist {
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.su-check-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--su-text-muted);
    opacity: 0;
    animation: su-check-in 0.4s ease forwards;
}

.su-check-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--su-border);
    flex-shrink: 0;
    position: relative;
}

.su-check-item { animation-fill-mode: forwards; }
.su-check-item .su-check-dot { animation: su-dot-fill 0.3s ease forwards; animation-delay: inherit; }

@keyframes su-check-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes su-dot-fill {
    to { border-color: var(--su-primary); background: var(--su-primary); }
}

/* ---------------- SUCCESS STEP ---------------- */
.su-success {
    text-align: center;
    padding: 1.5rem 0.5rem;
}

.su-success-mark {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--su-primary-light);
    color: var(--su-primary);
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 20px var(--su-primary-glow);
}

/* ---------------- FOOTER ---------------- */
.su-footer {
    background: transparent;
    border-top: 1px solid var(--su-border);
    padding: 1.5rem 0;
    width: 100%;
    text-align: center;
    font-size: 0.82rem;
    color: var(--su-text-muted);
}

.su-footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
}

.su-footer-links a {
    color: var(--su-text-muted);
    text-decoration: none;
    font-weight: 500;
}

.su-footer-links a:hover {
    color: var(--su-primary);
}

.su-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ---------------- MOBILE RESPONSIVENESS ---------------- */
@media (max-width: 640px) {
    .su-grid-2 {
        grid-template-columns: 1fr !important;
    }

    .su-main-wrapper {
        padding: 1.75rem 1rem;
    }

    .su-card {
        padding: 1.75rem 1.25rem;
        border-radius: var(--su-radius-md);
    }

    .su-category-grid {
        grid-template-columns: 1fr;
    }

    .su-domain-suffix {
        padding: 0 0.65rem;
        font-size: 0.8rem;
    }

    .su-progress-label {
        font-size: 0.72rem;
    }

    .su-header-nav .su-nav-link {
        display: none;
    }

    .su-header-nav .su-nav-link.active-mobile {
        display: inline-block;
    }
}