/* Admin Login — modern UI scoped to .admin-login-page */

:root {
    --al-primary: #4f46e5;
    --al-primary-hover: #4338ca;
    --al-primary-glow: rgba(79, 70, 229, 0.35);
    --al-accent: #06b6d4;
    --al-surface: rgba(255, 255, 255, 0.97);
    --al-text: #1e293b;
    --al-text-muted: #64748b;
    --al-border: #e2e8f0;
    --al-radius: 16px;
    --al-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.45);
}

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

html,
body.admin-login-page {
    margin: 0;
    padding: 0;
    height: 100%;
    min-height: 100vh;
    font-family: IRANSans, IRANSansWeb, Tahoma, sans-serif;
    color: var(--al-text);
    overflow-x: hidden;
}

body.admin-login-page {
    background: linear-gradient(145deg, #0f172a 0%, #1e1b4b 45%, #0f172a 100%);
}

/* Animated canvas background */
.admin-login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.admin-login-bg canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* Soft gradient orbs (CSS fallback + layer under canvas) */
.admin-login-bg::before,
.admin-login-bg::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    animation: al-orb-float 18s ease-in-out infinite alternate;
}

.admin-login-bg::before {
    width: 420px;
    height: 420px;
    top: -8%;
    right: -5%;
    background: radial-gradient(circle, var(--al-primary) 0%, transparent 70%);
}

.admin-login-bg::after {
    width: 380px;
    height: 380px;
    bottom: -10%;
    left: -8%;
    background: radial-gradient(circle, var(--al-accent) 0%, transparent 70%);
    animation-delay: -9s;
}

@keyframes al-orb-float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -20px) scale(1.08); }
}

/* Layout */
.admin-login-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1.5rem;
}

.admin-login-card {
    width: 100%;
    max-width: 420px;
    background: var(--al-surface);
    border-radius: var(--al-radius);
    box-shadow: var(--al-shadow);
    border: 1px solid rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    overflow: hidden;
    animation: al-card-enter 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes al-card-enter {
    from {
        opacity: 0;
        transform: translateY(-24px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.admin-login-card__header {
    padding: 2rem 2rem 0.5rem;
    text-align: center;
}

.admin-login-card__logo {
    height: 96px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 4px 12px rgba(15, 23, 42, 0.08));
}

.admin-login-card__title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--al-text-muted);
    letter-spacing: 0.01em;
}

.admin-login-card__body {
    padding: 1.25rem 2rem 0.5rem;
}

.admin-login-card__footer {
    padding: 1.25rem 2rem 1.75rem;
    text-align: center;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    border-top: 1px solid var(--al-border);
}

/* Form fields */
.admin-login-field {
    position: relative;
    margin-bottom: 1rem;
    animation: al-field-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.admin-login-field:nth-child(1) { animation-delay: 0.15s; }
.admin-login-field:nth-child(2) { animation-delay: 0.25s; }

@keyframes al-field-enter {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.admin-login-field__icon {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    width: 1.15rem;
    height: 1.15rem;
    color: var(--al-text-muted);
    pointer-events: none;
    transition: color 0.2s ease;
}

.admin-login-field__input {
    width: 100%;
    padding: 0.9rem 2.75rem 0.9rem 1rem;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--al-text);
    background: #f8fafc;
    border: 2px solid transparent;
    border-radius: 10px;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.admin-login-field__input::placeholder {
    color: #94a3b8;
}

.admin-login-field__input:hover {
    background: #f1f5f9;
}

.admin-login-field__input:focus {
    background: #fff;
    border-color: var(--al-primary);
    box-shadow: 0 0 0 4px var(--al-primary-glow);
}

.admin-login-field__input:focus + .admin-login-field__icon,
.admin-login-field:focus-within .admin-login-field__icon {
    color: var(--al-primary);
}

/* Submit */
.admin-login-submit {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.95rem 1.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--al-primary) 0%, var(--al-primary-hover) 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 10px 25px -5px var(--al-primary-glow);
    transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    animation: al-field-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.35s both;
}

.admin-login-submit:hover {
    box-shadow: 0 14px 30px -6px var(--al-primary-glow);
    transform: translateY(-1px);
}

.admin-login-submit:active {
    transform: translateY(0) scale(0.99);
}

.admin-login-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.admin-login-submit.is-loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.admin-login-submit.is-loading::after {
    content: "";
    position: absolute;
    inset: 0;
    margin: auto;
    width: 1.35rem;
    height: 1.35rem;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: al-spin 0.7s linear infinite;
}

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

/* Footer link */
.admin-login-link {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--al-text-muted);
    text-decoration: none;
    position: relative;
    transition: color 0.2s ease;
}

.admin-login-link::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--al-primary);
    transition: width 0.25s ease;
}

.admin-login-link:hover {
    color: var(--al-primary);
}

.admin-login-link:hover::after {
    width: 100%;
}

.admin-login-card__hint {
    margin: 0 0 1.25rem;
    font-size: 0.9rem;
    color: var(--al-text-muted);
    text-align: center;
    line-height: 1.65;
}

.admin-login-card .validation-summary-errors {
    margin: 0 0 1rem;
    padding: 0.75rem 1rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    color: #b91c1c;
    font-size: 0.875rem;
    text-align: right;
}

.admin-login-card .validation-summary-errors ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.admin-login-card .validation-summary-errors li + li {
    margin-top: 0.35rem;
}

.admin-login-card .field-validation-error,
.admin-login-card .text-danger {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: #b91c1c;
}

/* SweetAlert RTL */
div.swal2-modal {
    font-family: IRANSans, IRANSansWeb, Tahoma, sans-serif;
    direction: rtl;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .admin-login-card,
    .admin-login-field,
    .admin-login-submit,
    .admin-login-bg::before,
    .admin-login-bg::after {
        animation: none;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .admin-login-wrapper {
        padding: 1rem;
    }

    .admin-login-card__header,
    .admin-login-card__body {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .admin-login-card__footer {
        padding: 1rem 1.25rem 1.5rem;
    }

    .admin-login-card__logo {
        height: 80px;
    }
}