/* ========================================
   Auth Pages (Login / Register)
   ======================================== */

.iai-auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 80px);
    padding: 40px 20px;
    background: #f3f4f6;
}

.iai-auth-card {
    display: flex;
    max-width: 860px;
    width: 100%;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

/* ---- Left image panel ---- */
.iai-auth-image {
    position: relative;
    width: 380px;
    min-height: 600px;
    flex-shrink: 0;
    background: url('https://images.unsplash.com/photo-1560518883-ce09059eeffa?w=800&q=80') center/cover no-repeat;
}
.iai-auth-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26,26,46,0.3) 0%, rgba(26,26,46,0.7) 100%);
}
.iai-auth-image-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 30px;
    color: #fff;
    z-index: 1;
}
.iai-auth-image-content h1 {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 24px;
}
.iai-auth-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.iai-auth-benefits li {
    font-size: 14px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 10px;
}
.iai-auth-benefits li i {
    width: 16px;
    text-align: center;
    font-size: 13px;
}

/* ---- Right form panel ---- */
.iai-auth-form-panel {
    flex: 1;
    padding: 40px 36px;
    display: flex;
    align-items: center;
}
.iai-auth-form-wrap {
    width: 100%;
}

.iai-auth-header {
    text-align: center;
    margin-bottom: 24px;
}
.iai-auth-header p {
    font-size: 15px;
    color: var(--iai-gray-600, #4b5563);
}

/* ---- Social buttons ---- */
.iai-auth-social {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 0;
}
.iai-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
    border: none;
}
.iai-social-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}
.iai-social-btn:active {
    transform: translateY(0);
}
.iai-social-facebook {
    background: #1877f2;
    color: #fff;
}
.iai-social-google {
    background: #fff;
    color: #333;
    border: 1px solid #dadce0;
}
.iai-social-apple {
    background: #000;
    color: #fff;
}

/* ---- Divider ---- */
.iai-auth-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: #9ca3af;
    font-size: 13px;
}
.iai-auth-divider::before,
.iai-auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e5e7eb;
}
.iai-auth-divider span {
    padding: 0 14px;
}

/* ---- Form fields ---- */
.iai-auth-field {
    position: relative;
    margin-bottom: 12px;
}
.iai-auth-field input {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 14px;
    color: #111827;
    background: #f9fafb;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    box-sizing: border-box;
}
.iai-auth-field input:focus {
    border-color: var(--iai-primary, #dc2626);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
    background: #fff;
}
.iai-auth-field input::placeholder {
    color: #9ca3af;
}

/* Phone prefix */
.iai-field-phone {
    display: flex;
    align-items: stretch;
}
.iai-phone-prefix {
    display: flex;
    align-items: center;
    padding: 0 12px;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-right: none;
    border-radius: 8px 0 0 8px;
    font-size: 14px;
    color: #374151;
    white-space: nowrap;
}
.iai-field-phone input {
    border-radius: 0 8px 8px 0;
}

/* Password toggle */
.iai-field-password input {
    padding-right: 48px;
}
.iai-toggle-pass {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    color: #9ca3af;
    font-size: 16px;
    transition: color 0.2s;
}
.iai-toggle-pass:hover {
    color: #374151;
}

/* ---- Checkboxes ---- */
.iai-auth-checkboxes {
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.iai-auth-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: #374151;
    line-height: 1.4;
}
.iai-auth-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 1px;
    flex-shrink: 0;
    accent-color: var(--iai-primary, #dc2626);
    cursor: pointer;
}
.iai-auth-check a {
    color: var(--iai-primary, #dc2626);
    text-decoration: none;
    font-weight: 500;
}
.iai-auth-check a:hover {
    text-decoration: underline;
}

/* ---- Error message ---- */
.iai-auth-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 12px;
}

/* ---- Submit button ---- */
.iai-auth-submit {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
}
.iai-auth-submit:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}
.iai-auth-submit:active {
    transform: translateY(0);
}
.iai-auth-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ---- Links ---- */
.iai-auth-links {
    text-align: center;
    margin-top: 16px;
}
.iai-auth-links a {
    color: var(--iai-primary, #dc2626);
    font-size: 13px;
    text-decoration: none;
    font-weight: 500;
}
.iai-auth-links a:hover {
    text-decoration: underline;
}

.iai-auth-switch {
    text-align: center;
    margin-top: 12px;
    font-size: 13px;
    color: #6b7280;
}
.iai-auth-switch a {
    color: var(--iai-primary, #dc2626);
    text-decoration: none;
    font-weight: 600;
}
.iai-auth-switch a:hover {
    text-decoration: underline;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .iai-auth-page {
        padding: 20px 12px;
        min-height: auto;
    }
    .iai-auth-card {
        flex-direction: column;
        max-width: 440px;
    }
    .iai-auth-image {
        width: 100%;
        min-height: 200px;
    }
    .iai-auth-image-content {
        padding: 24px 20px;
    }
    .iai-auth-image-content h1 {
        font-size: 22px;
        margin-bottom: 14px;
    }
    .iai-auth-benefits {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px 16px;
    }
    .iai-auth-benefits li {
        font-size: 12px;
    }
    .iai-auth-form-panel {
        padding: 24px 20px;
    }
}

@media (max-width: 480px) {
    .iai-auth-image {
        min-height: 160px;
    }
    .iai-auth-image-content h1 {
        font-size: 20px;
    }
}