/* ==========================================================================
   Auth split-screen (login + register): invoice-blur concept
   Общие стили вынесены из inline <style> login.html/register.html (В8).
   Эталон унификации — login-значения (form-side padding 40px 48px).
   ========================================================================== */

/* === Layout === */
.auth-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: calc(100vh - var(--header-height));
}

/* Left: dark "desk" with invoice blark on top */
.auth-split__brand {
    background: #1a1a2e;
    color: #fff;
    padding: 56px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
[data-theme="dark"] .auth-split__brand { background: #0a0a18; }
.auth-split__brand::before {
    content: "";
    position: absolute;
    top: -20%;
    left: -10%;
    width: 60%;
    height: 140%;
    background: radial-gradient(ellipse, rgba(90, 82, 224, 0.10), transparent 70%);
    pointer-events: none;
}
[data-theme="dark"] .auth-split__brand::before {
    background: radial-gradient(ellipse, rgba(108, 99, 255, 0.12), transparent 70%);
}

/* The invoice blark — "paper" floating on dark desk */
.auth-invoice {
    background: #FDFBF6;
    color: #1a1a2e;
    border-radius: 6px;
    padding: 36px 34px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(0, 0, 0, 0.2);
    position: relative;
    max-width: 560px;
    transform: rotate(-1.2deg);
    transition: transform 0.3s ease;
    animation: invoice-slide-in 0.6s ease-out;
    overflow: hidden;
}
@keyframes invoice-slide-in {
    from { opacity: 0; transform: rotate(-1.2deg) translateX(-60px); }
    to { opacity: 1; transform: rotate(-1.2deg) translateX(0); }
}
.auth-invoice:hover { transform: rotate(0deg) translateY(-2px); }

/* Folded corner — bottom right */
.auth-invoice__fold {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 28px 28px;
    border-color: transparent transparent #e4e6f4 transparent;
    box-shadow: -3px -3px 6px rgba(0,0,0,0.1);
    z-index: 3;
}
.auth-invoice__fold::after {
    content: "";
    position: absolute;
    bottom: 0;
    right: 0;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, transparent 50%, #FDFBF6 50%);
}

/* Watermark — "АФСИГМА" diagonal, barely visible */
.auth-invoice__watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-35deg);
    font-size: 5rem;
    font-weight: 900;
    color: #1a1a2e;
    opacity: 0.04;
    pointer-events: none;
    white-space: nowrap;
    letter-spacing: 0.1em;
    z-index: 0;
}

/* Guillotch rosette — protective circular pattern */
.auth-invoice__rosette {
    position: absolute;
    top: 50%;
    right: -40px;
    transform: translateY(-50%);
    width: 200px;
    height: 200px;
    opacity: 0.06;
    pointer-events: none;
    z-index: 0;
}

.auth-invoice__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid #1a1a2e;
}
.auth-invoice__firm {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    color: #1a1a2e;
}
.auth-invoice__firm-sub {
    font-size: 0.68rem;
    color: #6a6a88;
    margin-top: 2px;
    letter-spacing: 0.02em;
}
.auth-invoice__stamp {
    width: 64px;
    height: 64px;
    border: 2.5px solid #2E6B53;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #2E6B53;
    font-size: 0.55rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.2;
    transform: rotate(-8deg);
    opacity: 0.85;
    flex-shrink: 0;
}
.auth-invoice__stamp-text { font-size: 0.7rem; font-weight: 800; }
.auth-invoice__stamp-sub { font-size: 0.5rem; margin-top: 1px; }

.auth-invoice__meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 16px;
    font-size: 0.72rem;
    color: #4a4a68;
    margin-bottom: 16px;
}
.auth-invoice__meta-label { color: #6a6a88; font-weight: 600; }
.auth-invoice__meta-val { color: #1a1a2e; font-weight: 600; }

.auth-invoice__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
    margin-bottom: 16px;
}
.auth-invoice__table th {
    background: #1a1a2e;
    color: #FDFBF6;
    text-align: left;
    padding: 6px 8px;
    font-weight: 600;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.auth-invoice__table td {
    padding: 7px 8px;
    border-bottom: 1px solid #e4e6f4;
    color: #1a1a2e;
}
.auth-invoice__table td:last-child {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
}

.auth-invoice__total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-top: 2px solid #1a1a2e;
    font-size: 0.85rem;
    font-weight: 800;
    color: #1a1a2e;
}
.auth-invoice__total-val {
    font-size: 1.1rem;
    font-variant-numeric: tabular-nums;
}

.auth-invoice__sign {
    display: flex;
    justify-content: space-between;
    margin-top: 14px;
    gap: 24px;
}
.auth-invoice__sign-block {
    text-align: center;
}
.auth-invoice__sign-line {
    border-bottom: 1.5px solid #1a1a2e;
    width: 90px;
    margin-bottom: 4px;
    font-family: cursive, "Segoe UI", sans-serif;
    font-size: 0.95rem;
    color: var(--primary);
    font-style: italic;
    padding-bottom: 1px;
    height: 18px;
}
.auth-invoice__sign-label {
    font-size: 0.6rem;
    color: #6a6a88;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Perforation — binder holes on left edge */
.auth-invoice__punch {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 80px;
}
.auth-invoice__punch-hole {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #1a1a2e;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.3);
}

/* Date + doc number row */
.auth-invoice__doc-bar {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: #6a6a88;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px dashed #c5c7d6;
}
.auth-invoice__doc-num { font-weight: 700; color: #1a1a2e; }

/* QR code (stylized) */
.auth-invoice__qr {
    position: absolute;
    bottom: 20px;
    left: 24px;
    width: 52px;
    height: 52px;
    opacity: 0.7;
}
.auth-invoice__qr-label {
    position: absolute;
    bottom: 4px;
    left: 24px;
    font-size: 0.5rem;
    color: #6a6a88;
    width: 52px;
    text-align: center;
}

/* Contacts footer */
.auth-invoice__contacts {
    margin-top: 18px;
    padding-top: 12px;
    border-top: 1px solid #e4e6f4;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 70px;
    font-size: 0.65rem;
    color: #6a6a88;
}
.auth-invoice__contacts span { font-weight: 600; }

/* Right: form panel */
.auth-split__form-side {
    background: var(--bg-base);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 48px;
}
.auth-split__form-wrap { width: 100%; max-width: 480px; }

.auth-split__title {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}
.auth-split__title::after {
    content: "";
    display: block;
    width: 40px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    margin-top: 10px;
}
.auth-split__subtitle {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.auth-split__form .form-group { margin-bottom: 20px; }
.auth-split__form .form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-main);
}
.auth-split__form .form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: var(--font-main);
    color: var(--text-main);
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.auth-split__form .form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(90, 82, 224, 0.10);
    animation: input-pulse 1.5s ease-in-out infinite;
}
@keyframes input-pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(90, 82, 224, 0.10); }
    50% { box-shadow: 0 0 0 5px rgba(90, 82, 224, 0.06); }
}
[data-theme="dark"] .auth-split__form .form-input:focus {
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
    animation: input-pulse-dark 1.5s ease-in-out infinite;
}
@keyframes input-pulse-dark {
    0%, 100% { box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15); }
    50% { box-shadow: 0 0 0 5px rgba(108, 99, 255, 0.08); }
}
.auth-split__form .form-input--error { border-color: #ff6b6b; }
.auth-split__form .form-error {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: #ff6b6b;
    font-weight: 500;
}

/* Password field wrapper with toggle */
.auth-pw-wrap { position: relative; }
.honeypot-field { display: none !important; }
.auth-pw-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    display: flex;
    align-items: center;
    transition: color var(--transition);
}
.auth-pw-toggle:hover { color: var(--primary); }
.auth-pw-toggle svg { width: 20px; height: 20px; }

/* Caps Lock warning */
.auth-caps-warning {
    display: none;
    margin-top: 6px;
    font-size: 0.78rem;
    color: var(--warning-orange, #e67e22);
    font-weight: 600;
    align-items: center;
    gap: 4px;
}
.auth-caps-warning.is-active { display: flex; }

/* Submit button with arrow + loading */
.auth-split__submit {
    width: 100%;
    padding: 13px;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-main);
    background: var(--primary);
    color: var(--text-on-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition), transform 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.auth-split__submit:hover { background: var(--primary-light); }
.auth-split__submit:active { transform: scale(0.98); }
.auth-split__submit-arrow {
    display: inline-block;
    transition: transform 0.2s ease;
}
.auth-split__submit:hover .auth-split__submit-arrow {
    transform: translateX(4px);
}
.auth-split__submit.is-loading {
    pointer-events: none;
    opacity: 0.7;
}
.auth-split__submit-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
.auth-split__submit.is-loading .auth-split__submit-spinner { display: block; }
.auth-split__submit.is-loading .auth-split__submit-text { opacity: 0.5; }
.auth-split__submit.is-loading .auth-split__submit-arrow { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Flash messages */
.auth-flash {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}
.auth-flash--danger {
    background: rgba(var(--danger-rgb, 229, 57, 53), 0.08);
    border: 1px solid rgba(var(--danger-rgb, 229, 57, 53), 0.20);
    color: var(--danger, #e53935);
}
.auth-flash--success {
    background: rgba(var(--success-rgb, 40, 167, 69), 0.08);
    border: 1px solid rgba(var(--success-rgb, 40, 167, 69), 0.20);
    color: var(--success, #28a745);
}
.auth-flash--warning {
    background: rgba(var(--warning-rgb, 230, 126, 34), 0.08);
    border: 1px solid rgba(var(--warning-rgb, 230, 126, 34), 0.20);
    color: var(--warning-orange, #e67e22);
}
.auth-flash--info {
    background: rgba(var(--primary-rgb, 90, 82, 224), 0.08);
    border: 1px solid rgba(var(--primary-rgb, 90, 82, 224), 0.20);
    color: var(--primary, #5a52e0);
}

/* Success state (forgot-password, email confirmations) */
.auth-success-state {
    padding: 8px 0;
}
.auth-success-state__icon-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}
.auth-success-state__icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(var(--success-rgb, 40, 167, 69), 0.12);
    color: var(--success, #28a745);
    display: flex;
    align-items: center;
    justify-content: center;
}
.auth-success-state__icon svg {
    width: 32px;
    height: 32px;
}
.auth-success-state__title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    text-align: center;
}
.auth-success-state__desc {
    font-size: 0.93rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin-bottom: 24px;
    text-align: center;
}
.auth-success-state__card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.auth-success-state__item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    line-height: 1.45;
    color: var(--text-main);
}
.auth-success-state__item-icon {
    flex-shrink: 0;
    font-size: 0.95rem;
}
.auth-success-state__actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.auth-success-state__btn-sub {
    text-align: center;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}
.auth-success-state__btn-sub:hover {
    color: var(--primary-light);
}

/* === Login-only === */

/* Remember me checkbox */
.auth-remember {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}
.auth-remember input { cursor: pointer; width: 16px; height: 16px; accent-color: var(--primary); }

.auth-split__links {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
    font-size: 0.88rem;
}
.auth-split__links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}
.auth-split__links a:hover { color: var(--primary-light); }

/* Auth notice (replaces flash for 403 redirect) */
.auth-login-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: rgba(var(--primary-rgb), 0.06);
    border: 1px solid rgba(var(--primary-rgb), 0.12);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}
.auth-login-notice__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--primary);
}

/* === Register-only === */

/* Голубое свечение снизу справа (второй декоративный слой) */
.auth-split__brand::after {
    content: "";
    position: absolute;
    bottom: -15%;
    right: -8%;
    width: 50%;
    height: 130%;
    background: radial-gradient(ellipse, rgba(0, 184, 212, 0.08), transparent 70%);
    pointer-events: none;
}
/* Контент поверх декоративных ::before/::after */
.auth-split__brand > * { position: relative; z-index: 1; }

.form-group.captcha-hidden { display: none; }

/* Password strength meter */
.auth-strength { margin-top: 8px; }
.auth-strength__bar {
    height: 4px; border-radius: 2px; background: var(--border);
    overflow: hidden; transition: background var(--transition);
}
.auth-strength__fill {
    height: 100%; width: 0; border-radius: 2px;
    transition: width 0.3s ease, background 0.3s ease;
}
.auth-strength__label {
    font-size: 0.75rem; color: var(--text-muted);
    margin-top: 4px; font-weight: 600;
}

/* Password match indicator */
.auth-match {
    display: none; margin-top: 6px; font-size: 0.78rem;
    font-weight: 600; align-items: center; gap: 4px;
}
.auth-match.is-active { display: flex; }
.auth-match--ok { color: var(--success); }
.auth-match--err { color: var(--danger); }

.captcha-challenge { margin-bottom: 8px; }

.auth-split__footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}
.auth-split__footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}
.auth-split__footer a:hover { color: var(--primary-light); }

/* === Mobile === */
@media (max-width: 768px) {
    .auth-split { grid-template-columns: 1fr; }
    .auth-split__brand {
        padding: 32px 24px 28px;
        min-height: auto;
    }
    .auth-invoice { transform: rotate(0deg); max-width: 100%; }
    .auth-split__form-side { padding: 28px 24px 48px; }
}