@font-face {
    font-family: 'DIN Next';
    src: url('../res/font/DINNextLTArabic-UltraLight-.ttf') format('truetype');
    font-weight: 200;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'DIN Next';
    src: url('../res/font/DINNEXTLTARABIC-LIGHT.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'DIN Next';
    src: url('../res/font/DINNextLTArabic-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'DIN Next';
    src: url('../res/font/DINNextLTArabic-Heavy.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
    --cai-navy: #070540;
    --cai-navy-deep: #04032a;
    --cai-navy-mid: #0c0a5c;
    --cai-blue: #3ba4e6;
    --cai-blue-soft: #6bb8e8;
    --cai-ink: #12162a;
    --cai-muted: #5c6478;
    --cai-line: #d8dee8;
    --cai-surface: #ffffff;
    --cai-danger: #b42318;
    --cai-danger-bg: #fef3f2;
    --cai-danger-border: #fecdca;
}

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

html,
body {
    min-height: 100%;
}

body.admin-login-page {
    font-family: 'DIN Next', 'Segoe UI', sans-serif;
    color: var(--cai-ink);
    background: var(--cai-navy-deep);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.login-shell {
    flex: 1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    min-height: 100vh;
}

/* —— Brand panel —— */
.login-brand {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 60% at 20% 15%, rgba(59, 164, 230, 0.22), transparent 55%),
        radial-gradient(ellipse 70% 50% at 85% 80%, rgba(12, 10, 92, 0.9), transparent 50%),
        linear-gradient(160deg, var(--cai-navy) 0%, var(--cai-navy-deep) 55%, #0a1848 100%);
    color: #fff;
    padding: clamp(2rem, 5vw, 4.5rem);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    isolation: isolate;
}

.login-brand::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 85%);
    pointer-events: none;
    z-index: 0;
    animation: gridDrift 28s linear infinite;
}

.login-brand::after {
    content: '';
    position: absolute;
    width: 420px;
    height: 420px;
    border: 1px solid rgba(59, 164, 230, 0.18);
    border-radius: 50%;
    right: -120px;
    bottom: -80px;
    z-index: 0;
    animation: ringPulse 8s ease-in-out infinite;
}

.login-brand > * {
    position: relative;
    z-index: 1;
}

.brand-mark {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-mark img {
    height: clamp(56px, 8vw, 72px);
    width: auto;
    display: block;
}

.brand-copy {
    max-width: 28rem;
    margin-top: clamp(3rem, 12vh, 7rem);
}

.brand-kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--cai-blue-soft);
    margin-bottom: 1rem;
}

.brand-copy h1 {
    font-size: clamp(1.75rem, 3.2vw, 2.55rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.brand-copy p {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.78);
    max-width: 26rem;
}

.brand-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin-top: 2.5rem;
}

.brand-meta div strong {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cai-blue-soft);
    margin-bottom: 0.35rem;
}

.brand-meta div span {
    font-size: 0.95rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
}

/* —— Form panel —— */
.login-panel {
    background:
        linear-gradient(180deg, #f4f6fa 0%, #eef1f7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 3rem);
}

.login-form-wrap {
    width: 100%;
    max-width: 420px;
    animation: formRise 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.login-form-wrap header {
    margin-bottom: 2rem;
}

.login-form-wrap header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cai-navy);
    letter-spacing: -0.02em;
    margin-bottom: 0.4rem;
}

.login-form-wrap header p {
    font-size: 0.98rem;
    font-weight: 300;
    color: var(--cai-muted);
    line-height: 1.5;
}

.login-alert {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.9rem 1rem;
    margin-bottom: 1.5rem;
    background: var(--cai-danger-bg);
    border: 1px solid var(--cai-danger-border);
    border-radius: 8px;
    color: var(--cai-danger);
    font-size: 0.92rem;
    line-height: 1.45;
    animation: shakeIn 0.45s ease;
}

.login-alert svg {
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.field label {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--cai-navy);
}

.field-control {
    position: relative;
}

.field-control input {
    width: 100%;
    appearance: none;
    border: 1.5px solid var(--cai-line);
    background: var(--cai-surface);
    border-radius: 8px;
    padding: 0.95rem 1rem 0.95rem 2.85rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 400;
    color: var(--cai-ink);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.field-control input::placeholder {
    color: #9aa3b5;
    font-weight: 300;
}

.field-control input:hover {
    border-color: #b8c2d4;
}

.field-control input:focus {
    outline: none;
    border-color: var(--cai-blue);
    background: #fff;
}

.field-control .field-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    color: #8b95a8;
    pointer-events: none;
    display: flex;
    transition: color 0.2s ease;
}

.field-control:focus-within .field-icon {
    color: var(--cai-blue);
}

.btn-login {
    margin-top: 0.5rem;
    width: 100%;
    border: none;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    background: var(--cai-navy);
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-login:hover {
    background: var(--cai-navy-mid);
}

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

.btn-login:focus-visible {
    outline: 2px solid var(--cai-blue);
    outline-offset: 3px;
}

.login-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--cai-line);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
}

.login-footer a {
    color: var(--cai-navy);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.2s ease;
}

.login-footer a:hover {
    color: var(--cai-blue);
}

.login-footer .secure-note {
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--cai-muted);
}

@keyframes formRise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gridDrift {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(48px);
    }
}

@keyframes ringPulse {
    0%,
    100% {
        opacity: 0.45;
        transform: scale(1);
    }
    50% {
        opacity: 0.85;
        transform: scale(1.04);
    }
}

@keyframes shakeIn {
    0% {
        opacity: 0;
        transform: translateX(-6px);
    }
    60% {
        opacity: 1;
        transform: translateX(3px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}

@media (max-width: 900px) {
    .login-shell {
        grid-template-columns: 1fr;
    }

    .login-brand {
        min-height: auto;
        padding: 1.75rem 1.5rem 2rem;
        gap: 1.5rem;
    }

    .brand-copy {
        margin-top: 1.25rem;
    }

    .brand-copy h1 {
        font-size: 1.55rem;
    }

    .brand-meta {
        margin-top: 1.5rem;
        padding-top: 1.25rem;
        gap: 1rem 1.5rem;
    }

    .login-panel {
        padding: 1.75rem 1.25rem 2.5rem;
        align-items: flex-start;
    }

    .login-form-wrap {
        max-width: 100%;
    }
}