:root {
    --login-bg: #0a0a0a;
    --login-panel: #111111;
    --login-card: #141820;
    --login-ink: #c8cdd6;
    --login-muted: #8b93a0;
    --login-border: #243044;
    --login-blue: #1a2a44;
    --login-blue-soft: #243552;
    --login-accent: #e11d2e;
    --login-accent-deep: #b01220;
    --login-font: 'Outfit', system-ui, sans-serif;
    --login-display: 'Source Serif 4', Georgia, serif;
}

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

html,
body.login-page {
    width: 100%;
    max-width: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
}

body.login-page {
    font-family: var(--login-font);
    background: var(--login-bg);
    color: var(--login-ink);
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

.login-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
}

/* —— Marka paneli —— */
.login-brand {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.25rem, 3.5vw, 2.5rem);
    background: #e8eaed;
    color: #4a5563;
    overflow: hidden;
}

.login-brand-glow {
    display: none;
}

.login-brand-grid {
    display: none;
}

.login-brand-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 460px;
    text-align: center;
    padding: clamp(1.6rem, 3.5vw, 2.4rem);
    background: #f4f5f7;
    border: 1px solid #cfd4dc;
    border-radius: 20px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.1);
    animation: loginRise 0.7s ease-out both;
}

.login-brand-mark {
    margin-bottom: 1.75rem;
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.login-brand .login-logo {
    width: auto;
    max-width: min(100%, 280px);
    height: auto;
    min-height: 72px;
    max-height: 110px;
    padding: 0;
    margin: 0 auto 1.5rem;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.12));
}

.login-brand .login-logo img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 110px;
    object-fit: contain;
    object-position: center;
}

.login-brand .login-logo--fallback {
    width: 88px;
    height: 88px;
    border-radius: 22px;
    background: linear-gradient(145deg, var(--login-blue-soft), var(--login-blue));
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    filter: none;
}

.login-logo-letter {
    font-family: var(--login-display);
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1;
    color: #d0d6e0;
}

.login-brand-kicker {
    margin: 0 0 0.75rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #6b7280;
}

.login-brand-legal {
    margin: 0 auto;
    max-width: 36ch;
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.45;
    color: #7a8494;
}

.login-brand-text {
    margin: 0 auto;
    max-width: 38ch;
    font-size: clamp(1rem, 2vw, 1.12rem);
    font-weight: 400;
    line-height: 1.55;
    color: #5a6575;
}

/* —— Form tarafı —— */
.login-main {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: clamp(1.25rem, 3.5vw, 2.5rem);
    background:
        radial-gradient(ellipse at 80% 0%, rgba(26, 42, 68, 0.35), transparent 45%),
        var(--login-bg);
}

.login-form-wrap {
    width: 100%;
    max-width: 420px;
    animation: loginRise 0.65s ease-out 0.08s both;
}

.login-mobile-brand {
    display: none;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1.35rem;
}

.login-mobile-brand .login-logo {
    width: 52px;
    height: 52px;
    padding: 0.35rem;
    margin: 0;
    border-radius: 14px;
    background: var(--login-blue);
    border: 1px solid var(--login-border);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.login-mobile-brand .login-logo img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.login-mobile-brand .login-logo--fallback {
    background: linear-gradient(145deg, var(--login-blue-soft), var(--login-blue));
    border: none;
}

.login-mobile-brand .login-logo-letter {
    font-size: 1.45rem;
}

.login-mobile-kicker {
    margin: 0;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--login-muted);
}

.login-card {
    width: 100%;
    background: var(--login-card);
    border: 1px solid var(--login-border);
    border-radius: 20px;
    padding: clamp(1.4rem, 3.2vw, 2rem);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

.login-card-title {
    margin: 0 0 0.3rem;
    font-family: var(--login-display);
    font-size: clamp(1.55rem, 3vw, 1.85rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #d5dae3;
}

.login-card-subtitle {
    margin: 0 0 1.5rem;
    color: var(--login-muted);
    font-size: 0.92rem;
}

.login-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    background: rgba(225, 29, 46, 0.12);
    border: 1px solid rgba(225, 29, 46, 0.35);
    color: #f0a0a8;
    font-size: 0.875rem;
}

.login-field {
    margin-bottom: 1rem;
}

.login-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--login-muted);
}

.login-input-wrap {
    position: relative;
}

.login-input {
    width: 100%;
    min-height: 50px;
    padding: 0.85rem 0.95rem 0.85rem 2.75rem;
    border: 1px solid var(--login-border);
    border-radius: 12px;
    background: #0c1018;
    color: var(--login-ink);
    font-family: var(--login-font);
    font-size: 1rem;
    line-height: 1.2;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    -webkit-appearance: none;
    appearance: none;
}

.login-input::placeholder {
    color: #6a7382;
}

.login-input:focus {
    outline: none;
    border-color: var(--login-blue-soft);
    box-shadow: 0 0 0 3px rgba(36, 53, 82, 0.45);
}

.login-input-icon {
    position: absolute;
    left: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-muted);
    font-size: 1rem;
    pointer-events: none;
}

.login-check {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 1rem 0 1.25rem;
}

.login-check input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--login-accent);
}

.login-check label {
    font-size: 0.875rem;
    color: var(--login-ink);
    cursor: pointer;
    user-select: none;
}

.login-submit {
    width: 100%;
    min-height: 50px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--login-accent) 0%, var(--login-accent-deep) 100%);
    color: #fff;
    font-family: var(--login-font);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 10px 28px rgba(176, 18, 32, 0.35);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.login-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 32px rgba(176, 18, 32, 0.42);
}

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

.login-footer {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.78rem;
    color: var(--login-muted);
}

.login-footer p {
    margin: 0;
}

@keyframes loginRise {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loginGlow {
    from {
        transform: translate(0, 0) scale(1);
        opacity: 0.85;
    }
    to {
        transform: translate(-18px, 22px) scale(1.08);
        opacity: 1;
    }
}

@media (max-width: 991px) {
    .login-shell {
        grid-template-columns: 1fr;
        min-height: 100dvh;
    }

    .login-brand {
        display: none;
    }

    .login-main {
        align-items: flex-start;
        padding: max(1.15rem, env(safe-area-inset-top)) max(1.15rem, env(safe-area-inset-right)) max(1.15rem, env(safe-area-inset-bottom)) max(1.15rem, env(safe-area-inset-left));
    }

    .login-form-wrap {
        max-width: none;
    }

    .login-mobile-brand {
        display: flex;
    }

    .login-card {
        border-radius: 16px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 1.15rem;
    }

    .login-input {
        font-size: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-brand-inner,
    .login-form-wrap,
    .login-brand-glow {
        animation: none;
    }
}