:root {
    --sl-primary: #4f46e5;
    --sl-primary-light: #818cf8;
    --sl-primary-lighter: #a5b4fc;
    --sl-primary-dark: #4338ca;
    --sl-primary-darker: #3730a3;
    --sl-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --sl-gradient-light: linear-gradient(160deg, #eef2ff 0%, #e0e7ff 25%, #ede9fe 50%, #faf5ff 75%, #f0f9ff 100%);
    --sl-surface: #ffffff;
    --sl-bg: #f8fafc;
    --sl-bg-alt: #f1f5f9;
    --sl-text: #0f172a;
    --sl-text-secondary: #475569;
    --sl-text-muted: #94a3b8;
    --sl-border: #e2e8f0;
    --sl-radius: 12px;
    --sl-radius-lg: 16px;
    --sl-radius-xl: 20px;
    --sl-shadow: 0 4px 12px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.04);
    --sl-shadow-lg: 0 16px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --sl-shadow-xl: 0 24px 56px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.04);
    --sl-shadow-brand: 0 4px 14px rgba(79,70,229,0.25);
}

* { box-sizing: border-box; }

body.sl-auth-page {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sl-gradient-light);
    position: relative;
    overflow-x: hidden;
    color: var(--sl-text);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.sl-auth-bg-shapes {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.sl-auth-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: sl-auth-float 25s ease-in-out infinite;
}

.sl-auth-bg-orb:nth-child(1) {
    width: 500px;
    height: 500px;
    background: rgba(79, 70, 229, 0.12);
    top: -180px;
    right: -100px;
}

.sl-auth-bg-orb:nth-child(2) {
    width: 400px;
    height: 400px;
    background: rgba(124, 58, 237, 0.08);
    bottom: -150px;
    left: -100px;
    animation-delay: -8s;
}

.sl-auth-bg-orb:nth-child(3) {
    width: 200px;
    height: 200px;
    background: rgba(99, 102, 241, 0.1);
    top: 40%;
    left: 20%;
    animation-delay: -16s;
}

@keyframes sl-auth-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(15px, -15px) scale(1.03); }
    66% { transform: translate(-10px, 10px) scale(0.97); }
}

.sl-auth-bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(79, 70, 229, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 70, 229, 0.025) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.sl-auth-wrapper {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* ─── Header ─── */
.sl-auth-header {
    padding: 20px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sl-auth-logo img { height: 38px; width: auto; }

.sl-auth-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sl-auth-lang-dropdown { position: relative; }

.sl-auth-lang-current {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 9999px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    color: var(--sl-text-secondary);
    transition: all 0.2s ease;
    line-height: 1.4;
}

.sl-auth-lang-current:hover {
    background: rgba(255,255,255,0.95);
    color: var(--sl-primary);
    border-color: rgba(79, 70, 229, 0.2);
}

.sl-auth-lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(20px);
    border-radius: var(--sl-radius);
    box-shadow: var(--sl-shadow-xl);
    border: 1px solid var(--sl-border);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.98);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    max-height: 300px;
    overflow-y: auto;
}

[dir="rtl"] .sl-auth-lang-menu { right: auto; left: 0; }

.sl-auth-lang-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.sl-auth-lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--sl-text);
    text-decoration: none;
    transition: all 0.15s ease;
}

.sl-auth-lang-option:hover {
    background: rgba(79, 70, 229, 0.05);
    color: var(--sl-primary);
}

.sl-auth-lang-option.active {
    background: rgba(79, 70, 229, 0.08);
    color: var(--sl-primary);
    font-weight: 700;
}

.sl-auth-lang-code {
    font-weight: 800;
    font-size: 11px;
    background: var(--sl-bg-alt);
    padding: 2px 8px;
    border-radius: 4px;
    min-width: 32px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.sl-auth-lang-option.active .sl-auth-lang-code {
    background: var(--sl-gradient);
    color: #fff;
}

.sl-auth-lang-name { font-weight: 500; }

.sl-auth-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--sl-text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 9999px;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.2s ease;
}

.sl-auth-back:hover {
    color: var(--sl-primary);
    background: rgba(255,255,255,0.95);
    border-color: rgba(79, 70, 229, 0.2);
}

.sl-auth-back svg { width: 16px; height: 16px; }

/* ─── Main Card ─── */
.sl-auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 24px 48px;
}

.sl-auth-card {
    width: 100%;
    max-width: 460px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-radius: var(--sl-radius-xl);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.6),
        0 2px 4px rgba(0,0,0,0.02),
        0 8px 16px rgba(0,0,0,0.03),
        0 24px 48px rgba(0,0,0,0.06);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
}

.sl-auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--sl-gradient);
}

.sl-auth-card-header {
    text-align: center;
    margin-bottom: 36px;
}

.sl-auth-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(79, 70, 229, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    color: var(--sl-primary);
    border: 1px solid rgba(79, 70, 229, 0.1);
}

.sl-auth-card-icon svg { width: 28px; height: 28px; }

.sl-auth-card-header h1 {
    font-size: 26px;
    font-weight: 900;
    margin: 0 0 8px;
    color: var(--sl-text);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.sl-auth-card-header p {
    font-size: 15px;
    color: var(--sl-text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ─── Form ─── */
.sl-auth-form .sl-form-group { margin-bottom: 22px; }

.sl-auth-form .sl-form-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--sl-text);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.sl-auth-form .sl-form-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.sl-auth-form .sl-form-label-row .sl-form-label { margin-bottom: 0; }

.sl-form-forgot {
    font-size: 13px;
    font-weight: 600;
    color: var(--sl-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.sl-form-forgot:hover { color: var(--sl-primary-dark); }

.sl-auth-form .sl-form-input {
    display: block;
    width: 100%;
    padding: 13px 16px;
    font-size: 15px;
    color: var(--sl-text);
    background: rgba(248, 250, 252, 0.8);
    border: 1.5px solid var(--sl-border);
    border-radius: var(--sl-radius);
    outline: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1.5;
}

.sl-auth-form .sl-form-input::placeholder { color: var(--sl-text-muted); }

.sl-auth-form .sl-form-input:focus {
    border-color: var(--sl-primary-light);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.08);
}

.sl-auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    background: var(--sl-gradient);
    border: none;
    border-radius: var(--sl-radius);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--sl-shadow-brand);
    gap: 8px;
    line-height: 1.5;
    margin-top: 8px;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.sl-auth-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sl-auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
}

.sl-auth-btn:hover::after { opacity: 1; }

.sl-auth-btn:active { transform: translateY(-1px); }

.sl-auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.sl-auth-switch {
    text-align: center;
    margin-top: 28px;
    font-size: 15px;
    color: var(--sl-text-secondary);
}

.sl-auth-switch a {
    color: var(--sl-primary);
    font-weight: 700;
    text-decoration: none;
    transition: color 0.2s;
}

.sl-auth-switch a:hover { color: var(--sl-primary-dark); }

/* ─── Alerts ─── */
.sl-alert {
    padding: 14px 18px;
    border-radius: var(--sl-radius);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.sl-alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.sl-alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.sl-alert-error ul {
    margin: 8px 0 0;
    padding: 0 20px;
    list-style: disc;
}

.sl-alert-error li { font-size: 13px; margin-bottom: 2px; }

/* ─── reCAPTCHA ─── */
.sl-recaptcha-wrap {
    margin: 18px 0;
    display: flex;
    justify-content: center;
}

.sl-recaptcha-wrap .g-recaptcha { transform-origin: center; }

.sl-recaptcha-error {
    font-size: 13px;
    color: #dc2626;
    font-weight: 600;
    margin-top: 6px;
    text-align: center;
}

/* ─── Footer ─── */
.sl-auth-footer {
    text-align: center;
    padding: 20px 24px;
    font-size: 13px;
    color: var(--sl-text-muted);
}

/* ─── Loader ─── */
.sl-loader-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(8px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
}

.sl-loader-overlay.show { display: flex; }

.sl-loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--sl-border);
    border-top-color: var(--sl-primary);
    border-radius: 50%;
    animation: sl-spin 0.7s linear infinite;
}

@keyframes sl-spin { to { transform: rotate(360deg); } }

.sl-loader-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--sl-text-secondary);
}

body.sl-auth-dark .g-recaptcha {
    filter: invert(1) hue-rotate(180deg) !important;
}

/* ─── Fallback for other auth pages ─── */
.sl-auth-card .form-control,
.sl-auth-card input[type="email"]:not(.sl-form-input),
.sl-auth-card input[type="text"]:not(.sl-form-input),
.sl-auth-card input[type="password"]:not(.sl-form-input) {
    display: block;
    width: 100%;
    padding: 13px 16px;
    font-size: 15px;
    color: var(--sl-text);
    background: rgba(248, 250, 252, 0.8);
    border: 1.5px solid var(--sl-border);
    border-radius: var(--sl-radius);
    outline: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1.5;
    box-shadow: none;
}

.sl-auth-card .form-control:focus,
.sl-auth-card input:not(.sl-form-input):focus {
    border-color: var(--sl-primary-light);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(79,70,229,0.08);
}

.sl-auth-card .form-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--sl-text);
    margin-bottom: 8px;
}

.sl-auth-card .btn-primary,
.sl-auth-card button[type="submit"]:not(.sl-auth-btn) {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    background: var(--sl-gradient);
    border: none;
    border-radius: var(--sl-radius);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--sl-shadow-brand);
    line-height: 1.5;
}

.sl-auth-card .btn-primary:hover,
.sl-auth-card button[type="submit"]:not(.sl-auth-btn):hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79,70,229,0.35);
}

.sl-auth-card .text-primary { color: var(--sl-primary) !important; }
.sl-auth-card .text-danger, .sl-auth-card .text-red-600 { color: #dc2626 !important; }
.sl-auth-card .text-green-600 { color: #059669 !important; }

.sl-auth-card h2, .sl-auth-card .h3 {
    font-size: 26px;
    font-weight: 900;
    color: var(--sl-text);
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.sl-auth-card .mb-4 { margin-bottom: 20px; }

/* ─── Responsive ─── */
@media (max-width: 540px) {
    .sl-auth-card { padding: 36px 24px; margin: 0 8px; }
    .sl-auth-card-header h1 { font-size: 22px; }
    .sl-auth-header { padding: 16px 16px; }
}