/* ─── Login Page ─────────────────────────────────────────────────────────── */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --surface: #ffffff;
    --bg: #f1f5f9;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,.10);
}

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

body.login-page {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2.5rem 2rem;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo img {
    height: 60px;
    margin-bottom: 0.75rem;
}

.login-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.login-form .form-label {
    font-weight: 500;
    color: var(--text);
    font-size: 0.875rem;
    margin-bottom: 0.35rem;
}

.login-form .form-control {
    border-color: var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: border-color .2s, box-shadow .2s;
}

.login-form .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
    outline: none;
}

.login-form .btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.75rem;
    transition: background .2s, transform .1s;
}

.login-form .btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.login-form .btn-primary:active {
    transform: scale(.98);
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.login-legal-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    margin-top: .6rem;
    font-size: .75rem;
}
.login-legal-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color .15s;
}
.login-legal-links a:hover {
    color: var(--primary);
    text-decoration: underline;
}
.login-legal-sep {
    color: var(--border);
    font-size: .65rem;
    user-select: none;
}

.alert {
    border-radius: 8px;
    margin-bottom: 1rem;
}

/* ── Password-strength meter ─────────────────────────────────────────────── */
.pwd-strength {
    display: none;
    align-items: center;
    gap: .5rem;
    margin-top: .4rem;
}
.pwd-strength.visible { display: flex; }

.pwd-strength-bars {
    display: flex;
    gap: 3px;
    flex: 1;
}
.psb {
    height: 4px;
    border-radius: 2px;
    flex: 1;
    background: var(--border);
    transition: background .25s;
}

.pwd-strength-label {
    font-size: .72rem;
    font-weight: 600;
    white-space: nowrap;
    width: 4.5rem;
    text-align: right;
}

/* Strength levels */
.pwd-strength.weak   .psb:nth-child(1)                          { background: #ef4444; }
.pwd-strength.medium .psb:nth-child(1),
.pwd-strength.medium .psb:nth-child(2)                         { background: #f59e0b; }
.pwd-strength.strong .psb                                       { background: #16a34a; }

.pwd-strength.weak   .pwd-strength-label { color: #ef4444; }
.pwd-strength.medium .pwd-strength-label { color: #f59e0b; }
.pwd-strength.strong .pwd-strength-label { color: #16a34a; }

/* ── Requirements checklist ──────────────────────────────────────────────── */
.pwd-reqs {
    margin-top: .5rem;
    display: flex;
    flex-direction: column;
    gap: .2rem;
}
.req-item {
    font-size: .78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: .35rem;
    transition: color .2s;
}
.req-item i { font-size: .8rem; }
.req-item.ok    { color: #16a34a; }
.req-item.fail  { color: #ef4444; }