/* =====================================================
   MODERN LOGIN — Dark/Light switchable, 3D card, tek kart
   HTML yapısı (Login.cshtml) hiç değiştirilmedi.
   ===================================================== */

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

/* ── CSS Variables: DARK (default) ── */
:root {
    --bg-base: #0b0f19;
    --bg-grad-1: #0b0f19;
    --bg-grad-2: #111827;
    --card-bg: rgba(255,255,255,0.04);
    --card-border: rgba(255,255,255,0.09);
    --card-shadow: 0 40px 80px rgba(0,0,0,0.55), 0 8px 24px rgba(0,0,0,0.35);
    --card-shine: rgba(255,255,255,0.06);
    --label-color: rgba(255,255,255,0.42);
    --input-bg: rgba(255,255,255,0.05);
    --input-border: rgba(255,255,255,0.1);
    --input-color: #fff;
    --input-ph: rgba(255,255,255,0.2);
    --title-color: #ffffff;
    --subtitle-color: rgba(255,255,255,0.38);
    --reg-color: rgba(255,255,255,0.38);
    --forgot-color: rgba(255,255,255,0.3);
    --check-label: rgba(255,255,255,0.4);
    --hr-color: rgba(255,255,255,0.07);
    --muted-color: rgba(255,255,255,0.28);
    --ext-bg: rgba(255,255,255,0.04);
    --ext-border: rgba(255,255,255,0.1);
    --ext-color: rgba(255,255,255,0.6);
    --ext-hover-bg: rgba(255,255,255,0.09);
    --cancel-border: rgba(255,255,255,0.14);
    --cancel-color: rgba(255,255,255,0.45);
    --cancel-hover: rgba(255,255,255,0.07);
    --blob1: rgba(47,172,102,0.18);
    --blob2: rgba(99,102,241,0.12);
    --accent: #2FAC66;
    --accent-dark: #208c4f;
    --accent-glow: rgba(47,172,102,0.35);
    --accent-ring: rgba(47,172,102,0.22);
    --toggle-bg: rgba(255,255,255,0.07);
    --toggle-border: rgba(255,255,255,0.12);
    --toggle-icon: rgba(255,255,255,0.6);
}

/* ── CSS Variables: LIGHT ── */
[data-theme="light"] {
    --bg-base: #f0f4f8;
    --bg-grad-1: #e8f0fe;
    --bg-grad-2: #f0faf4;
    --card-bg: rgba(255,255,255,0.82);
    --card-border: rgba(0,0,0,0.07);
    --card-shadow: 0 40px 80px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.07);
    --card-shine: rgba(255,255,255,0.9);
    --label-color: #374151;
    --input-bg: rgba(0,0,0,0.03);
    --input-border: rgba(0,0,0,0.12);
    --input-color: #111827;
    --input-ph: rgba(0,0,0,0.25);
    --title-color: #111827;
    --subtitle-color: #6b7280;
    --reg-color: #6b7280;
    --forgot-color: #6b7280;
    --check-label: #4b5563;
    --hr-color: rgba(0,0,0,0.08);
    --muted-color: #9ca3af;
    --ext-bg: rgba(0,0,0,0.03);
    --ext-border: rgba(0,0,0,0.1);
    --ext-color: #374151;
    --ext-hover-bg: rgba(0,0,0,0.06);
    --ext-hover-border: rgba(0,0,0,0.18);
    --cancel-border: #d1d5db;
    --cancel-color: #6b7280;
    --cancel-hover: #f9fafb;
    --blob1: rgba(47,172,102,0.15);
    --blob2: rgba(99,102,241,0.1);
    --toggle-bg: rgba(0,0,0,0.05);
    --toggle-border: rgba(0,0,0,0.1);
    --toggle-icon: #374151;
}

/* ── Base ── */
html:has(.login-page-wrap),
body:has(.login-page-wrap) {
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    background: var(--bg-base) !important;
    transition: background 0.4s;
}

/* ── Page wrap ── */
.login-page-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at 20% 50%, var(--blob1) 0%, transparent 55%), radial-gradient(ellipse at 80% 20%, var(--blob2) 0%, transparent 50%), linear-gradient(135deg, var(--bg-grad-1) 0%, var(--bg-grad-2) 100%);
    transition: background 0.4s;
    perspective: 1200px; /* 3D perspektif */
}

    /* Mesh grid overlay */
    .login-page-wrap::before {
        content: '';
        position: fixed;
        inset: 0;
        pointer-events: none;
        background-image: linear-gradient(var(--hr-color) 1px, transparent 1px), linear-gradient(90deg, var(--hr-color) 1px, transparent 1px);
        background-size: 52px 52px;
        opacity: 0.6;
    }

/* ── 3D Kart ── */
.login-card-modern {
    width: 100%;
    max-width: 440px;
    background: var(--card-bg) !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 22px !important;
    box-shadow: var(--card-shadow) !important;
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    position: relative;
    z-index: 2;
    transform-style: preserve-3d;
    /* Giriş animasyonu */
    animation: cardIn 0.55s cubic-bezier(.22,.68,0,1.15) both;
    /* 3D idle tilt */
    transition: transform 0.08s ease-out, box-shadow 0.08s ease-out;
    will-change: transform;
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(32px) rotateX(6deg) scale(0.96);
    }

    to {
        opacity: 1;
        transform: translateY(0) rotateX(0deg) scale(1);
    }
}

/* Üst parlama çizgisi */
.login-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 12%;
    right: 12%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.7;
    border-radius: 50%;
}

/* İç yüzey parlaması (3D depth illusion) */
.login-card-modern::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--card-shine) 0%, transparent 50%);
    pointer-events: none;
}

.login-card-modern .card-body {
    padding: 2.75rem 2.25rem;
    position: relative;
    z-index: 1;
}

/* ── Theme Toggle Butonu ── */
.login-theme-toggle {
    position: absolute;
    top: 1.1rem;
    right: 1.1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--toggle-bg);
    border: 1px solid var(--toggle-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
    z-index: 10;
    font-size: 1rem;
    color: var(--toggle-icon);
    backdrop-filter: blur(10px);
}

    .login-theme-toggle:hover {
        transform: rotate(20deg) scale(1.1);
        background: var(--accent-ring);
        border-color: var(--accent);
    }

/* ── Logo / Başlık ── */
.login-logo-wrap {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo-img {
    max-height: 46px;
    height: 46px;
    width: auto;
    object-fit: contain;
    margin-bottom: .75rem;
    filter: drop-shadow(0 2px 8px var(--accent-glow));
}

.login-title {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--title-color);
    margin-bottom: .25rem;
    letter-spacing: -.035em;
    transition: color 0.3s;
}

.login-subtitle {
    font-size: .875rem;
    font-weight: 400;
    color: var(--subtitle-color);
    margin-bottom: 0;
    transition: color 0.3s;
}

/* ── Kayıt ol ── */
.login-register-text {
    font-size: .83rem;
    color: var(--reg-color);
    margin-bottom: 1.5rem;
    text-align: center;
    transition: color 0.3s;
}

    .login-register-text a {
        color: var(--accent);
        font-weight: 600;
        text-decoration: none;
    }

        .login-register-text a:hover {
            text-decoration: underline;
        }

/* ── Form label ── */
.login-card-modern .form-label {
    font-size: .75rem;
    font-weight: 600;
    color: var(--label-color);
    margin-bottom: .4rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    transition: color 0.3s;
}

/* ── Input ── */
.login-card-modern .form-control,
.login-card-modern .form-control-lg {
    background: var(--input-bg) !important;
    border: 1px solid var(--input-border) !important;
    border-radius: 11px !important;
    color: var(--input-color) !important;
    font-size: .9375rem;
    font-family: inherit;
    padding: .72rem 1rem;
    transition: border-color .2s, box-shadow .2s, background .2s;
}

    .login-card-modern .form-control::placeholder,
    .login-card-modern .form-control-lg::placeholder {
        color: var(--input-ph);
    }

    .login-card-modern .form-control:focus,
    .login-card-modern .form-control-lg:focus {
        background: rgba(47,172,102,.06) !important;
        border-color: var(--accent) !important;
        box-shadow: 0 0 0 3.5px var(--accent-ring) !important;
        color: var(--input-color) !important;
        outline: none;
    }

/* ── Checkbox (yeşil, login butonu ile uyumlu) ── */
.login-card-modern .form-check-input {
    accent-color: var(--accent);
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 5px;
    width: 1rem;
    height: 1rem;
    margin-top: .2rem;
    cursor: pointer;
}

    .login-card-modern .form-check-input:checked {
        background-color: var(--accent) !important;
        border-color: var(--accent) !important;
    }

    .login-card-modern .form-check-input:focus {
        box-shadow: 0 0 0 3px var(--accent-ring);
    }

.login-card-modern .form-check-label {
    font-size: .83rem;
    color: var(--check-label);
    cursor: pointer;
    transition: color 0.3s;
}

/* ── Submit butonu ── */
.login-btn-primary-modern {
    width: 100%;
    padding: .82rem 1rem;
    font-size: .95rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: 11px;
    border: none;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: #fff;
    letter-spacing: .015em;
    position: relative;
    overflow: hidden;
    transition: transform .18s cubic-bezier(.22,.68,0,1.4), box-shadow .18s;
    box-shadow: 0 4px 20px var(--accent-glow), 0 1px 3px rgba(0,0,0,0.2);
    cursor: pointer;
}

    .login-btn-primary-modern::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 60%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,.18), transparent);
        transform: skewX(-20deg);
        transition: left 0.55s ease;
    }

    .login-btn-primary-modern:hover {
        transform: translateY(-2px) scale(1.012);
        box-shadow: 0 8px 30px var(--accent-glow), 0 2px 6px rgba(0,0,0,0.2);
        color: #fff;
    }

        .login-btn-primary-modern:hover::before {
            left: 160%;
        }

    .login-btn-primary-modern:active {
        transform: translateY(0) scale(0.99);
        box-shadow: 0 3px 12px var(--accent-glow);
    }

    .login-btn-primary-modern:disabled {
        opacity: .65;
        cursor: not-allowed;
        transform: none !important;
        box-shadow: none !important;
    }

/* Submit butonu içeriği: ortada spinner */
.login-btn-primary-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    min-height: 2.75rem;
}

.login-btn-primary-modern .btn-spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-right-color: #fff;
    border-radius: 50%;
    animation: login-btn-spin 0.6s linear infinite;
    flex-shrink: 0;
}

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

/* ── İptal ── */
.login-card-modern .btn-outline-secondary {
    background: transparent !important;
    border: 1px solid var(--cancel-border) !important;
    color: var(--cancel-color) !important;
    border-radius: 11px !important;
    font-family: inherit;
    transition: all .2s;
}

    .login-card-modern .btn-outline-secondary:hover {
        background: var(--cancel-hover) !important;
        color: var(--input-color) !important;
    }

/* ── Şifremi unuttum ── */
.login-link-forgot {
    font-size: .83rem;
    color: var(--forgot-color);
    text-decoration: none;
    transition: color .15s;
}

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

/* ── HR ── */
.login-card-modern hr {
    border-color: var(--hr-color);
    margin: 1.5rem 0;
}

.login-card-modern .text-muted {
    color: var(--muted-color) !important;
    transition: color 0.3s;
}

/* ── External providers ── */
.login-card-modern .btn-outline-secondary.btn-sm {
    border: 1px solid var(--ext-border) !important;
    color: var(--ext-color) !important;
    background: var(--ext-bg) !important;
    border-radius: 9px !important;
    font-size: .8rem !important;
    font-weight: 500;
    padding: .4rem .9rem !important;
    transition: all .15s !important;
}

    .login-card-modern .btn-outline-secondary.btn-sm:hover {
        background: var(--ext-hover-bg) !important;
        color: var(--input-color) !important;
    }

/* ── Alert ── */
.login-card-modern .alert-warning {
    background: rgba(251,191,36,.08);
    border: 1px solid rgba(251,191,36,.25);
    border-radius: 10px;
    color: #f59e0b;
    font-size: .83rem;
}

.login-card-modern .text-danger {
    font-size: .78rem;
    color: #f87171 !important;
}

/* ── Responsive ── */
@media (max-width: 576px) {
    .login-page-wrap {
        padding: 1rem;
    }

    .login-card-modern .card-body {
        padding: 2rem 1.4rem;
    }
}