/* Simple centered auth page design */
img {
    border-radius: 50%;
    background: transparent;
}

:root {
    --bg: #f8fafc;
    --card: #ffffff;
    --border: #d1d5db;
    --text: #111827;
    --muted: #6b7280;
    --primary: #2563eb;
    --input-bg: #f9fafb;
    --shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

header {
    width: 100%;
    max-width: 420px;
    text-align: center;
    margin-bottom: 24px;
}

header .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

header img,
.auth-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 18px;
    background: #ffffff;
    padding: 8px;
    border: 1px solid var(--border);
}

header h1 {
    margin: 0;
    font-size: 1.45rem;
    letter-spacing: -0.03em;
}

main {
    width: 100%;
    max-width: 420px;
}

.flash {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 18px;
    border: 1px solid transparent;
    font-size: 0.95rem;
}

.flash.success {
    background: #ecfdf5;
    color: #166534;
    border-color: #bbf7d0;
}

.flash.error {
    background: #fef2f2;
    color: #991b1b;
    border-color: #fecaca;
}

.login-box,
.register-box {
    background: var(--card);
    border-radius: 24px;
    padding: 32px 28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(148, 163, 184, 0.15);
}

form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    display: block;
}

.form-group label,
.form-group span {
    font-size: 0.95rem;
    color: var(--muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="submit"],
button,
select,
textarea,
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    font-size: 1rem;
}



input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.15);
}

.btn {
    width: 100%;
    border: none;
    cursor: pointer;
    padding: 14px 18px;
    border-radius: 16px;
    background: var(--primary);
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.btn:hover {
    background: #2563eb;
}

p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--muted);
    text-align: center;
}

p a {
    color: var(--primary);
}

footer {
    display: none;
}

@media (max-width: 480px) {
    body {
        padding: 16px;
    }

    .login-box,
    .register-box {
        padding: 24px;
    }
}