@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* Açık Tema Paleti (Logodan) */
    --gradient-start: #E61E6D; /* Ana Parlak Pembe/Magenta */
    --gradient-end: #F06292; /* Daha Açık Koral Pembe */
    --accent-color: #E61E6D; /* Vurgu rengi olarak ana pembe */
    --accent-hover: #EC407A; /* Vurgu hover */
    --bg-light: #f4f7f9; /* Ana arka plan - Çok hafif mavi/gri tonu */
    --bg-panel: #ffffff; /* Form kartı için beyaz */
    --input-bg: #ffffff; /* Input arka planı */
    --text-dark: #333a45; /* Ana Koyu Metin */
    --text-muted: #7a828e; /* Daha Soluk Metin */
    --border-color: #e2e8f0; /* Kenarlık Rengi */
    --button-text: #ffffff; /* Gradient buton üzeri metin */
    --shadow-soft: 0 12px 35px rgba(49, 56, 71, 0.08); /* Yumuşak gölge */

    --font-family: 'Poppins', sans-serif;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
}

body, html {
    height: 100%;
    margin: 0;
    font-family: var(--font-family);
    background-color: var(--bg-light);
    color: var(--text-dark);
    overflow-x: hidden;
}

.login-page > .row {
    min-height: 100vh; /* Row'un tüm yüksekliği kaplamasını sağla */
}


/* Video Panelleri (Masaüstü & Mobil) */
.video-panel, .mobile-video-panel {
    position: relative;
    overflow: hidden;
    background-color: #e0e0e0; /* Video yüklenmezse fallback */
    padding: 0; /* Kolon padding'ini sıfırla */
}

.video-panel { /* Masaüstü Video Kolonu */
    /* min-height: 100vh; align-items-stretch zaten hallediyor */
}

.mobile-video-panel { /* Mobil Video Alanı */
    height: 45vh; /* Mobildeki yükseklik */
    width: 100%;
    order: -1; /* Mobil görünümde en üste almak için */
}


.background-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    object-fit: contain;
}

.video-overlay { /* Çok hafif overlay (isteğe bağlı) */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(244, 247, 249, 0.1); /* Arka plan renginin hafif transparan hali */
    z-index: 2;
}

/* Form Paneli (Sağ Kolon) */
.form-panel {
    background-color: var(--bg-light); /* Ana arka plan rengi */
    padding: 40px 20px; /* İç boşluklar */
    /* align-items, justify-content, d-flex HTML'de var */
    /* min-height: 100vh; align-items-stretch zaten hallediyor */
    overflow-y: auto; /* İçerik taşarsa scroll */
}

/* Form Kartı Görünümü */
.login-form-container.elevated-card {
    /* width: 100%; */
    /* max-width panelin col-lg-3'ü ile sınırlı olacak */
    background-color: var(--bg-panel);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-soft);
    border-top: 4px solid var(--accent-color);
    margin: auto;
}

.brand-logo .logo-img {
    max-width: 160px; /* Logo boyutu */
    height: auto;
}

.form-title {
    font-weight: 600;
    font-size: 1.6rem;
    color: var(--text-dark);
}

/* Input Alanları (Modernleştirilmiş) */
.input-wrapper {
    position: relative;
}

.form-control {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    border-radius: var(--border-radius-md);
    padding: 1.1rem 1rem 1.1rem 3.4rem;
    height: 60px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-size: 0.9rem;
}

    .form-control::placeholder {
        color: var(--text-muted);
        opacity: 0.9;
    }

    .form-control:focus {
        background-color: var(--input-bg);
        color: var(--text-dark);
        border-color: var(--accent-color);
        box-shadow: 0 0 0 3px rgba(230, 30, 109, 0.1);
    }

/* Floating Labels (Modernleştirilmiş) */
.form-floating > label {
    padding: 1.1rem 1rem 1.1rem 3.4rem;
    color: var(--text-muted);
    transition: all .2s ease-in-out;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: calc(100% - 4.4rem);
    z-index: 1;
}

.form-floating > .form-control:focus ~ label i,
.form-floating > .form-control:not(:placeholder-shown) ~ label i{
    display: none;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    opacity: 1;
    transform: scale(.85) translateY(-.6rem) translateX(.15rem);
    font-weight: 500;
    padding: 0.1rem 0.4rem;
    background: var(--bg-panel);
    height: auto;
    width: auto;
    max-width: calc(100% - 2rem);
    color: var(--accent-color);
    border-radius: 4px;
    z-index: 3;
}

/* Input İkonları */
.input-wrapper .icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    z-index: 4;
    transition: color 0.2s ease;
    font-size: 0.95rem;
}

.form-control:focus ~ .icon {
    color: var(--accent-color);
}

/* Şifre Gösterme/Gizleme İkonu */
.password-wrapper {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    cursor: pointer;
    z-index: 4;
    transition: color 0.2s ease;
    padding: 8px;
}

    .toggle-password:hover {
        color: var(--text-dark);
    }

/* Linkler */
.forgot-password-link, .signup-link {
    font-size: 0.8rem;
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
    font-weight: 500;
}

    .forgot-password-link:hover, .signup-link:hover {
        color: var(--gradient-start);
        text-decoration: underline;
    }

.signup-prompt {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Giriş Butonu (Modernleştirilmiş) */
.btn-submit {
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    background-size: 150% auto;
    color: var(--button-text);
    border: none;
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(230, 30, 109, 0.2);
}

    .btn-submit:hover {
        background-position: right center;
        color: var(--button-text);
        transform: translateY(-3px);
        box-shadow: 0 7px 20px rgba(230, 30, 109, 0.3);
    }

    .btn-submit:active {
        transform: translateY(-1px);
        box-shadow: 0 4px 10px rgba(230, 30, 109, 0.2);
    }

    .btn-submit .spinner-border {
        color: var(--button-text);
        width: 1.1em;
        height: 1.1em;
        border-width: .2em;
    }

    .btn-submit.loading .spinner-border {
        display: inline-block !important;
    }


/* --- RESPONSIVE TASARIM --- */
@media (max-width: 991.98px) { /* lg altı (Tablet ve Mobil) */
    .mobile-video-panel {
        display: block !important; /* Görünür yap */
    }

    .form-panel {
        /* min-height: auto; Gerekmiyor, içerik yüksekliği belirler */
        padding: 40px 15px; /* Mobil padding */
        order: 0; /* Normal akışta kalsın (video -1 ile üste geçti) */
    }

    .login-form-container.elevated-card {
        padding: 2rem 1.5rem;
        max-width: 450px; /* Mobilde biraz daha geniş olabilir */
        margin-top: 2rem; /* Videodan sonra biraz boşluk */
        margin-bottom: 2rem;
    }
}


@media (max-width: 767.98px) { /* md altı */
    .mobile-video-panel {
        height: 40vh;
    }

    .login-form-container.elevated-card {
        padding: 2rem 1.5rem;
    }

    .brand-logo .logo-img {
        max-width: 140px;
    }

    .form-title {
        font-size: 1.4rem;
    }

    .form-control {
        height: 56px;
        font-size: 0.85rem;
        padding-left: 3.2rem;
    }

    .form-floating > label {
        padding-left: 3.2rem;
        font-size: 0.85rem;
    }

    .input-wrapper .icon {
        left: 1.15rem;
        font-size: 0.9rem;
    }

    .btn-submit {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }

    .forgot-password-link, .signup-prompt, .signup-link {
        font-size: 0.75rem;
    }

    .mb-5 {
        margin-bottom: 2rem !important;
    }
}

@media (max-width: 575.98px) { /* sm altı */
    .mobile-video-panel {
        height: 35vh;
    }

    .login-form-container.elevated-card {
        padding: 1.8rem 1.2rem;
        border-top-width: 3px;
    }

    .form-control {
        height: 54px;
    }

    .toggle-password {
        padding: 6px;
    }
}

/* Autofill Stilleri */
input:-webkit-autofill, input:-webkit-autofill:hover, input:-webkit-autofill:focus,
textarea:-webkit-autofill, textarea:-webkit-autofill:hover, textarea:-webkit-autofill:focus,
select:-webkit-autofill, select:-webkit-autofill:hover, select:-webkit-autofill:focus {
    border: 1px solid var(--border-color);
    -webkit-text-fill-color: var(--text-dark);
    -webkit-box-shadow: 0 0 0px 1000px var(--input-bg) inset;
    transition: background-color 5000s ease-in-out 0s;
    caret-color: var(--text-dark);
}