/* ── Reset / base ─────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* ── Full-viewport gradient background ───────────────────────────── */
.md-login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: max(1.5rem, env(safe-area-inset-top, 1.5rem))
             max(1.5rem, env(safe-area-inset-right, 1.5rem))
             max(1.5rem, env(safe-area-inset-bottom, 1.5rem))
             max(1.5rem, env(safe-area-inset-left, 1.5rem));
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    background-attachment: fixed;
}

/* ── Glassmorphism card ───────────────────────────────────────────── */
.md-login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem 2rem;
    border-radius: 1.25rem;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    animation: md-card-enter 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes md-card-enter {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Card header ──────────────────────────────────────────────────── */
.md-login-card__header {
    text-align: center;
    margin-bottom: 2rem;
}

.md-login-card__title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #ffffff;
    line-height: 1.15;
}

.md-login-card__tagline {
    margin-top: 0.4rem;
    font-size: 0.9rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.01em;
}

/* ── Form fields ──────────────────────────────────────────────────── */
.md-login-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.md-login-form__field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.md-login-form__label {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.md-login-form__input {
    width: 100%;
    padding: 0.7rem 0.9rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 400;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 0.6rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    -webkit-appearance: none;
}

.md-login-form__input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.md-login-form__input:focus {
    border-color: rgba(167, 139, 250, 0.7);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

/* Suppress browser autofill background tint */
.md-login-form__input:-webkit-autofill,
.md-login-form__input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px #1e1b4b inset, 0 0 0 3px rgba(139, 92, 246, 0.25);
    -webkit-text-fill-color: #ffffff;
    transition: background-color 9999s ease;
}

/* ── Remember me ──────────────────────────────────────────────────── */
.md-login-form__remember {
    margin-top: -0.2rem;
}

.md-login-form__remember-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.55);
    cursor: pointer;
    user-select: none;
}

.md-login-form__remember-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: #8b5cf6;
    cursor: pointer;
}

/* ── Submit button ────────────────────────────────────────────────── */
.md-login-form__submit {
    width: 100%;
    padding: 0.8rem 1rem;
    margin-top: 0.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #7c3aed 0%, #4f46e5 100%);
    border: none;
    border-radius: 0.6rem;
    cursor: pointer;
    letter-spacing: 0.02em;
    transition: opacity 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
}

.md-login-form__submit:hover {
    opacity: 0.92;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.55);
}

.md-login-form__submit:active {
    opacity: 1;
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.4);
}

/* ── Error message ────────────────────────────────────────────────── */
.md-login-error {
    color: #f87171;
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: 0.5rem;
    padding: 0.6rem 0.875rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-align: center;
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .md-login-card {
        padding: 2rem 1.25rem;
        border-radius: 1rem;
    }

    .md-login-card__title {
        font-size: 1.7rem;
    }
}