/* login.php page-specific styles */
body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 70% 30%, var(--primary-glow) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.login-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
}

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

.login-header .logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.login-header .logo span { color: var(--text-primary); }

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-header p { color: var(--text-muted); font-size: 0.9rem; }

/* ── Card ── */
.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.login-card .form-label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.login-card .form-control {
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 0.65rem 0.85rem;
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

.login-card .form-control:focus {
    background: var(--surface-light);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    color: var(--text-primary);
    outline: none;
}

.login-card .form-control::placeholder { color: var(--text-muted); }

.login-card .form-control.is-invalid {
    border-color: #ef4444 !important;
    background: var(--surface-light);
    background-image: none;
}

.login-card .form-control.is-valid {
    border-color: #10b981 !important;
    background: var(--surface-light);
    background-image: none;
}

.login-card .invalid-feedback { color: #f87171; font-size: 0.78rem; margin-top: 0.3rem; display: none; }
.login-card .invalid-feedback.d-block { display: block; }
.login-card .valid-feedback   { color: #34d399; font-size: 0.78rem; }

/* ── Password row ── */
.password-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.4rem;
}

.password-label-row .form-label { margin-bottom: 0; }

.forgot-link {
    font-size: 0.78rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.15s;
}

.forgot-link:hover { opacity: 0.8; text-decoration: underline; }

.password-wrapper { position: relative; }
.password-wrapper .form-control { padding-right: 2.75rem; }

.toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.95rem;
    padding: 0;
    line-height: 1;
    z-index: 10;
    transition: color 0.15s;
}

.toggle-password:hover { color: var(--primary); }

/* ── Remember me ── */
.remember-row { margin-top: 1rem; }

.remember-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
}

.remember-label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 1rem;
    height: 1rem;
    border: 1.5px solid var(--border);
    border-radius: 3px;
    background: var(--surface-light);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: border-color 0.2s, background 0.2s;
}

.remember-label input[type="checkbox"]:checked {
    background: var(--primary);
    border-color: var(--primary);
}

.remember-label input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 2.5px;
    top: 0.5px;
    width: 5px;
    height: 9px;
    border: 2px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

/* ── Submit button ── */
.btn-login {
    width: 100%;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    margin-top: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.btn-login:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(255, 115, 21, 0.25);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ── Footer ── */
.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.login-footer a:hover { text-decoration: underline; }

/* ── Server message ── */
#serverMessage {
    display: none;
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
}

#serverMessage.msg-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #34d399;
}

#serverMessage.msg-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #f87171;
}