/* Login page layout */
.login-page {
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 24px 48px;
    position: relative;
    overflow: hidden;
}

/* Ambient orbs */
.login-page .orb-1 {
    position: absolute;
    width: 500px; height: 500px;
    top: -180px; left: -10%;
    border-radius: 50%;
    background: radial-gradient(circle, #2563EB 0%, transparent 70%);
    opacity: 0.12;
    filter: blur(80px);
    pointer-events: none;
}
.login-page .orb-2 {
    position: absolute;
    width: 350px; height: 350px;
    bottom: -100px; right: -5%;
    border-radius: 50%;
    background: radial-gradient(circle, #8B5CF6 0%, transparent 70%);
    opacity: 0.08;
    filter: blur(80px);
    pointer-events: none;
}

/* Auth card — glass style */
.login-card {
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 2rem;
    max-width: 400px;
    width: 100%;
    position: relative;
    box-shadow: var(--glass-shadow);
}

/* Tab switcher */
.tab-bar {
    display: flex;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--glass-border-lt);
    border-radius: 10px;
    padding: 3px;
    margin-bottom: 1.75rem;
}
.tab-btn {
    flex: 1;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-b);
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
}
.tab-btn.active {
    background: rgba(255,255,255,.08);
    color: var(--text);
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.tab-btn:hover:not(.active) {
    color: var(--text-sec);
}

/* Form inputs */
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-sec);
    font-family: var(--font-b);
    margin-bottom: 6px;
}
.form-label .optional {
    font-weight: 400;
    color: var(--text-muted);
}
.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-size: 14px;
    font-family: var(--font-b);
    color: var(--text);
    background: rgba(255,255,255,.04);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus {
    outline: none;
    border-color: var(--accent-lt);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input.mono {
    font-family: var(--font-m);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}
.form-input.error { border-color: var(--red); }

/* Password wrapper */
.pw-wrapper { position: relative; }
.pw-wrapper .form-input { padding-right: 44px; }
.pw-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    transition: color 0.15s;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pw-toggle:hover { color: var(--text-sec); }

/* Submit button */
.submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 10px;
    background: var(--accent-dk);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-b);
    box-shadow: 0 4px 24px rgba(37,99,235,.4), inset 0 1px 0 rgba(255,255,255,.15);
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
    min-height: 48px;
}
.submit-btn:hover:not(:disabled) { background: var(--accent); }
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Alert boxes */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    font-family: var(--font-b);
    margin-bottom: 1.25rem;
}
.alert-error {
    background: rgba(248,113,113,.08);
    border: 1px solid rgba(248,113,113,.2);
    color: var(--red);
}
.alert-success {
    background: rgba(52,211,153,.08);
    border: 1px solid rgba(52,211,153,.2);
    color: var(--green);
}

/* Validation error */
.field-error {
    font-size: 13px;
    color: var(--red);
    font-family: var(--font-b);
    margin-top: 4px;
}

/* Invite badge */
.invite-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(37,99,235,.1);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-lt);
    font-family: var(--font-m);
    margin-bottom: 12px;
}
.invite-badge .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse 2s infinite;
}

/* Link style */
.form-link {
    color: var(--accent-lt);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-b);
    text-decoration: none;
    transition: color 0.15s;
}
.form-link:hover { color: var(--accent); opacity: 1; }

/* Success checkmark */
.success-circle {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: rgba(52,211,153,.1);
    border: 1px solid rgba(52,211,153,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

/* Fade in */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: none; }
}
.fade-in { animation: fadeUp 0.4s ease-out forwards; }
.fade-in-delay { animation: fadeUp 0.4s ease-out 0.1s forwards; opacity: 0; }

/* Footer text */
.login-footer-text {
    margin-top: 2rem;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    font-family: var(--font-b);
}

/* Spinner */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner { animation: spin 0.7s linear infinite; }