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

:root {
    --cream: #faf7f2;
    --warm-white: #fffef9;
    --gold: #c9a84c;
    --gold-light: #e8c97a;
    --gold-dark: #8b6914;
    --brown: #5c3d1e;
    --brown-light: #8b5e3c;
    --brown-dark: #2c1a0a;
    --red: #9b2335;
    --red-light: #c0392b;
    --red-muted: rgba(155, 35, 53, 0.1);
    --text: #1a1208;
    --text-muted: #7a6548;
    --border: rgba(201, 168, 76, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Vazirmatn", sans-serif;
    background: var(--warm-white);
    color: var(--text);
    overflow: hidden;
    height: 100dvh;
}

/* ══ LAYOUT ══ */
.login-wrapper {
    display: flex;
    height: 100dvh;
    width: 100%;
}

/* ══ WALLPAPER SIDE ══ */
.wallpaper-side {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.slide.active {
    opacity: 1;
}

/* تصاویر پیش‌فرض با گرادیان — جایگزین با عکس واقعی کن */
.slide-1 {
    background-image:
        linear-gradient(
            135deg,
            rgba(92, 61, 30, 0.3) 0%,
            rgba(201, 168, 76, 0.2) 100%
        ),
        url("../img/history.png");
}
.slide-2 {
    background-image:
        linear-gradient(
            135deg,
            rgba(44, 26, 10, 0.4) 0%,
            rgba(139, 105, 20, 0.2) 100%
        ),
        url("../img/des-3.png");
}
.slide-3 {
    background-image:
        linear-gradient(
            135deg,
            rgba(155, 35, 53, 0.2) 0%,
            rgba(201, 168, 76, 0.25) 100%
        ),
        url("../img/des-5.png");
}
.slide-4 {
    background-image:
        linear-gradient(
            135deg,
            rgba(92, 61, 30, 0.35) 0%,
            rgba(255, 254, 249, 0.1) 100%
        ),
        url("../img/login-4.jpg");
}

/* اورلی تاریک روی اسلاید */
.wallpaper-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to left,
        rgb(0 0 0 / 55%) 0%,
        rgb(10 10 10 / 6%) 40%,
        transparent 100%
    );
    z-index: 2;
}

/* متن روی والپیپر */
.wallpaper-content {
    position: absolute;
    bottom: 3rem;
    right: 2.5rem; /* چون RTL */
    z-index: 3;
    color: var(--warm-white);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.wallpaper-content .brand-label {
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    opacity: 0.85;
    margin-bottom: 0.4rem;
    color: var(--gold-light);
}

.wallpaper-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.4;
    color: #fff;
}

/* نقاط اسلایدر */
.slide-dots {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.dot.active {
    background: var(--gold-light);
    width: 22px;
    border-radius: 4px;
}

/* ══ FORM SIDE ══ */
.form-side {
    width: 440px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--warm-white);
    padding: 2rem;
    position: relative;
    z-index: 10;
    box-shadow: -8px 0 40px rgba(92, 61, 30, 0.08);
}

.form-card {
    width: 100%;
    max-width: 380px;
}

/* لوگو */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.2rem;
}

.logo-icon {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 4px 14px rgba(201, 168, 76, 0.3);
}

.brand-name {
    display: flex;
    flex-direction: column;
}

.brand-name span:first-child {
    font-size: 1rem;
    font-weight: 700;
    color: var(--brown-dark);
}

.brand-name span:last-child {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* عنوان فرم */
.form-title {
    margin-bottom: 0.4rem;
}

.form-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brown-dark);
}

.form-title p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

/* خط جدا کننده */
.divider {
    height: 1px;
    background: linear-gradient(
        to left,
        transparent,
        var(--border),
        transparent
    );
    margin: 1.5rem 0;
}

/* گروه اینپوت */
.field-group {
    margin-bottom: 1.1rem;
}

.field-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--brown);
    margin-bottom: 0.45rem;
}

.input-wrap {
    position: relative;
}

.input-wrap .icon {
    position: absolute;
    right: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: color 0.2s;
}

.input-wrap input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    background: rgba(250, 247, 242, 0.8);
    font-family: "Vazirmatn", sans-serif;
    font-size: 0.9rem;
    color: var(--text);
    outline: none;
    transition:
        border-color 0.25s,
        box-shadow 0.25s,
        background 0.25s;
}

.input-wrap input:focus {
    border-color: var(--gold);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
}

.input-wrap input:focus ~ .icon {
    color: var(--gold-dark);
}

/* نمایش/مخفی رمز */
.toggle-pass {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.toggle-pass:hover {
    color: var(--gold-dark);
}

/* چک‌باکس و فراموشی */
.form-extras {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0.8rem 0 1.4rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
}

.remember-me input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--gold-dark);
    cursor: pointer;
}

.forgot-link {
    font-size: 0.82rem;
    color: var(--gold-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.forgot-link:hover {
    color: var(--red);
}

/* دکمه ورود */
.btn-login {
    width: 100%;
    padding: 0.85rem;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: var(--warm-white);
    border: none;
    border-radius: 10px;
    font-family: "Vazirmatn", sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition:
        transform 0.15s,
        box-shadow 0.25s;
    box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
    letter-spacing: 0.02em;
}

.btn-login::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.15) 0%,
        transparent 60%
    );
    pointer-events: none;
}

.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 22px rgba(201, 168, 76, 0.45);
}

.btn-login:active {
    transform: translateY(0);
}

/* ثبت‌نام */
.register-link {
    text-align: center;
    margin-top: 1.4rem;
    font-size: 0.83rem;
    color: var(--text-muted);
}

.register-link a {
    color: var(--gold-dark);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.register-link a:hover {
    color: var(--red);
}

/* خط پایینی */
.form-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.7;
}

/* ══ MOBILE ══ */
@media (max-width: 768px) {
    body {
        overflow: hidden;
    }

    .login-wrapper {
        position: relative;
        flex-direction: column;
    }

    /* تصاویر تمام صفحه در موبایل */
    .wallpaper-side {
        position: fixed;
        inset: 0;
        z-index: 0;
    }

    .wallpaper-overlay {
        background: linear-gradient(
            to top,
            rgba(255, 254, 249, 0.15) 0%,
            rgba(255, 254, 249, 0.05) 100%
        );
    }

    .wallpaper-content {
        display: none;
    }

    /* فرم شیشه‌ای روی تصویر */
    .form-side {
        position: fixed;
        inset: 0;
        z-index: 10;
        width: 100%;
        background: transparent;
        box-shadow: none;
        padding: 1.5rem;
        align-items: center;
        justify-content: center;
    }

    .form-card {
        background: rgba(255, 254, 249, 0.72);
        backdrop-filter: blur(24px) saturate(1.4);
        -webkit-backdrop-filter: blur(24px) saturate(1.4);
        border: 1px solid rgba(201, 168, 76, 0.25);
        border-radius: 20px;
        padding: 2rem 1.6rem;
        box-shadow:
            0 8px 40px rgba(92, 61, 30, 0.18),
            inset 0 1px 0 rgba(255, 255, 255, 0.6);
        max-width: 400px;
        width: 100%;
    }

    .slide-dots {
        bottom: 1rem;
    }
}

/* انیمیشن ورود فرم */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-card {
    animation: fadeUp 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}