/* ==========================================================================
   LOGIN SAYFASI — Premium hisli, modern tasarım
   ========================================================================== */

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

:root {
    --primary: #1d6fc7;
    --primary-dark: #155294;
    --primary-light: #e8f1fb;
    --text: #0f1828;
    --text-soft: #5a6878;
    --text-mute: #9aa5b1;
    --border: #e5e9f0;
    --border-strong: #cbd5e1;
    --bg: #f6f8fb;
    --card: #ffffff;
    --error: #c53030;
    --error-bg: #fdf2f2;
    --success: #15803d;
    --success-bg: #f0fdf4;
    --shadow-sm: 0 1px 3px rgba(15, 24, 40, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 24, 40, 0.08);
    --shadow-lg: 0 24px 48px rgba(15, 24, 40, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;

    /* Subtle gradient bg */
    background:
        radial-gradient(circle at 20% 0%, rgba(29, 111, 199, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 100%, rgba(29, 111, 199, 0.05) 0%, transparent 50%),
        var(--bg);
}

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

/* --- Brand --- */
.brand {
    text-align: center;
    margin-bottom: 32px;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    color: var(--primary);
    margin-bottom: 16px;
}

.brand-logo svg {
    width: 100%;
    height: 100%;
}

.brand h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.brand p {
    font-size: 14px;
    color: var(--text-soft);
}

/* --- Alerts --- */
.alert {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid transparent;
}

.alert p {
    margin: 0;
}

.alert p + p {
    margin-top: 4px;
}

.alert-error {
    background: var(--error-bg);
    color: var(--error);
    border-color: rgba(197, 48, 48, 0.2);
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: rgba(21, 128, 61, 0.2);
}

/* --- Form --- */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"] {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text);
    background: white;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(29, 111, 199, 0.12);
}

.form-group input::placeholder {
    color: var(--text-mute);
}

/* Caps lock */
.form-group input[data-caps="true"] {
    border-color: #e0a800;
    box-shadow: 0 0 0 3px rgba(224, 168, 0, 0.12);
}

/* Şifre göster/gizle */
.input-with-toggle {
    position: relative;
}

.input-with-toggle input {
    padding-right: 44px !important;
}

.toggle-pass {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: 0;
    width: 32px;
    height: 32px;
    cursor: pointer;
    color: var(--text-mute);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease, background 0.15s ease;
}

.toggle-pass:hover {
    color: var(--text);
    background: var(--bg);
}

/* Form row */
.form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-soft);
    cursor: pointer;
    user-select: none;
}

.checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* --- Button --- */
.btn-primary {
    width: 100%;
    padding: 12px 20px;
    background: var(--primary);
    color: white;
    border: 0;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.15s ease, transform 0.05s ease;
    font-family: inherit;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-primary:focus-visible {
    outline: 3px solid rgba(29, 111, 199, 0.3);
    outline-offset: 2px;
}

/* --- Footer --- */
.login-footer {
    margin-top: 28px;
    text-align: center;
    font-size: 12px;
    color: var(--text-mute);
}

/* --- Mobile --- */
@media (max-width: 480px) {
    .login-card {
        padding: 32px 24px;
    }

    .brand h1 {
        font-size: 20px;
    }
}