/* ─── Login Page ─────────────────────────────────────────────────────────────── */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 28%), var(--bg-primary);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

/* Ambient background glow */
.login-page::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.login-page::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(11, 17, 32, 0.98));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow), 0 0 80px rgba(59, 130, 246, 0.04);
    padding: 40px 36px;
    position: relative;
    z-index: 1;
    animation: loginCardIn 0.5s ease-out;
}

@keyframes loginCardIn {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ── Logo / Branding ─────────────────────────────────────────────────────── */

.login-branding {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo-icon {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(99, 102, 241, 0.12));
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 14px;
    font-size: 22px;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.login-branding h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.3px;
    margin-bottom: 6px;
}

.login-branding p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ── Hidden utility ──────────────────────────────────────────────────────── */

.hidden {
    display: none !important;
}

/* ── Password Change Section ─────────────────────────────────────────────── */

.password-change-header {
    text-align: center;
    margin-bottom: 20px;
}

.password-change-header .change-icon {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--warning-bg);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 12px;
    font-size: 18px;
    color: var(--warning);
    margin-bottom: 12px;
}

.password-change-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.password-change-header p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ── Form ────────────────────────────────────────────────────────────────── */

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input-wrapper > i {
    position: absolute;
    left: 14px;
    font-size: 14px;
    color: var(--text-muted);
    pointer-events: none;
    transition: color 0.2s ease;
}

.form-input-wrapper input {
    width: 100%;
    padding: 11px 42px 11px 42px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.form-input-wrapper input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.form-input-wrapper input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input-wrapper input:focus + i,
.form-input-wrapper input:focus ~ i {
    color: var(--accent-primary);
}

/* Password visibility toggle */
.btn-toggle-password {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    transition: color 0.2s ease;
    pointer-events: auto;
}

.btn-toggle-password:hover {
    color: var(--text-secondary);
}

/* ── Error message ───────────────────────────────────────────────────────── */

.login-error {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--danger);
    animation: errorShake 0.3s ease;
}

.login-error.visible {
    display: flex;
}

.login-error i {
    flex-shrink: 0;
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

/* ── Success message ─────────────────────────────────────────────────────── */

.login-success {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--success-bg);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--success);
}

.login-success.visible {
    display: flex;
}

.login-success i {
    flex-shrink: 0;
}

/* ── Submit button ───────────────────────────────────────────────────────── */

.btn-login {
    width: 100%;
    padding: 12px 0;
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 4px;
    position: relative;
    overflow: hidden;
}

.btn-login:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.25);
    transform: translateY(-1px);
}

.btn-login:active:not(:disabled) {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Loading spinner inside button */
.btn-login .spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

.btn-login.loading .spinner {
    display: inline-block;
}

/* ── Footer / Setup warning ──────────────────────────────────────────────── */

.login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    font-size: 12px;
    color: var(--text-muted);
}

.setup-warning {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--warning-bg);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--warning);
    margin-top: 12px;
}

.setup-warning.visible {
    display: flex;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 480px) {
    .login-card {
        padding: 32px 24px;
        border-radius: var(--radius-lg);
    }

    .login-branding h1 {
        font-size: 21px;
    }
}