/* ============================================================
   NoteShare – Front-end Styles
   ============================================================ */

:root {
    --ns-green: #22c55e;
    --ns-green-bg: #f0fdf4;
    --ns-green-border: #bbf7d0;
    --ns-orange: #f59e0b;
    --ns-orange-bg: #fffbeb;
    --ns-orange-border: #fde68a;
    --ns-red: #ef4444;
    --ns-red-bg: #fef2f2;
    --ns-red-border: #fecaca;
    --ns-gray-50: #f9fafb;
    --ns-gray-100: #f3f4f6;
    --ns-gray-200: #e5e7eb;
    --ns-gray-400: #9ca3af;
    --ns-gray-500: #6b7280;
    --ns-gray-700: #374151;
    --ns-gray-900: #111827;
    --ns-primary: #3b82f6;
    --ns-primary-hover: #2563eb;
    --ns-radius: 10px;
    --ns-shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
    --ns-shadow-lg: 0 4px 14px rgba(0,0,0,.1);
}

/* ── Buttons ── */
.ns-v-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background .2s;
    background: var(--ns-gray-100);
    color: var(--ns-gray-700);
}
.ns-v-btn:hover {
    background: var(--ns-gray-200);
}
.ns-v-btn--primary {
    background: var(--ns-primary);
    color: #fff;
}
.ns-v-btn--primary:hover {
    background: var(--ns-primary-hover);
}

/* ============================================================
   Login Box
   ============================================================ */
.ns-login-box {
    max-width: 420px;
    margin: 40px auto;
    background: #fff;
    border-radius: var(--ns-radius);
    box-shadow: var(--ns-shadow-lg);
    padding: 36px 32px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--ns-gray-900);
}
.ns-login-box *,
.ns-login-box *::before,
.ns-login-box *::after {
    box-sizing: border-box;
}
.ns-login-header {
    text-align: center;
    margin-bottom: 28px;
}
.ns-login-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 6px;
}
.ns-login-subtitle {
    font-size: 14px;
    color: var(--ns-gray-500);
    margin: 0;
}

/* Fields */
.ns-login-field {
    margin-bottom: 18px;
}
.ns-login-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--ns-gray-700);
    margin-bottom: 6px;
}
.ns-login-field input[type="text"],
.ns-login-field input[type="password"] {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid var(--ns-gray-200);
    border-radius: 8px;
    background: var(--ns-gray-50);
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}
.ns-login-field input:focus {
    border-color: var(--ns-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, .15);
}

/* Remember me */
.ns-login-remember {
    margin-bottom: 24px;
}
.ns-login-remember label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
    font-size: 13px;
    color: var(--ns-gray-500);
    cursor: pointer;
}

/* Submit button */
.ns-login-submit {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background .2s, transform .1s;
}
.ns-login-submit:active {
    transform: scale(.985);
}

/* Spinner */
.ns-login-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: ns-spin .6s linear infinite;
}
@keyframes ns-spin {
    to { transform: rotate(360deg); }
}

/* Messages / errors */
.ns-login-messages:empty {
    display: none;
}
.ns-login-messages {
    margin-bottom: 16px;
}
.ns-login-messages .ns-error {
    background: var(--ns-red-bg);
    color: var(--ns-red);
    border: 1px solid var(--ns-red-border);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
}
.ns-login-messages .ns-success-msg {
    background: var(--ns-green-bg);
    color: var(--ns-green);
    border: 1px solid var(--ns-green-border);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
}

/* Connected state */
.ns-login-box--connected {
    text-align: center;
}
.ns-login-avatar {
    margin-bottom: 12px;
}
.ns-login-avatar img {
    border-radius: 50%;
    box-shadow: var(--ns-shadow);
}
.ns-login-welcome {
    font-size: 16px;
    margin: 0 0 20px;
    color: var(--ns-gray-700);
}
.ns-login-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.ns-v-btn--outline {
    background: transparent;
    border: 1px solid var(--ns-gray-200);
    color: var(--ns-gray-700);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background .2s, border-color .2s;
}
.ns-v-btn--outline:hover {
    background: var(--ns-gray-50);
    border-color: var(--ns-gray-400);
}

/* Responsive */
@media (max-width: 480px) {
    .ns-login-box {
        margin: 20px 12px;
        padding: 28px 20px;
    }
}

/* ============================================================
   Auth Tabs (Login / Register)
   ============================================================ */
.ns-v-auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--ns-gray-200);
}
.ns-v-auth-tab {
    flex: 1;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    border: none;
    background: transparent;
    color: var(--ns-gray-500);
    cursor: pointer;
    transition: color .2s, border-color .2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.ns-v-auth-tab:hover {
    color: var(--ns-gray-700);
}
.ns-v-auth-tab--active {
    color: var(--ns-primary);
    border-bottom-color: var(--ns-primary);
}
.ns-v-auth-panel {
    display: none;
    padding: 16px;
}
.ns-v-auth-panel--active {
    display: block;
}
.ns-v-auth-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.ns-v-auth-form input[type="text"],
.ns-v-auth-form input[type="email"],
.ns-v-auth-form input[type="password"] {
    width: 100%;
    padding: 9px 12px;
    font-size: 13px;
    border: 1px solid var(--ns-gray-200);
    border-radius: 8px;
    background: #fff;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    box-sizing: border-box;
}
.ns-v-auth-form input:focus {
    border-color: var(--ns-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, .12);
}
.ns-v-auth-messages:empty {
    display: none;
}
.ns-v-auth-messages .ns-error {
    background: var(--ns-red-bg);
    color: var(--ns-red);
    border: 1px solid var(--ns-red-border);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
}
.ns-v-auth-messages .ns-success {
    background: var(--ns-green-bg);
    color: var(--ns-green);
    border: 1px solid var(--ns-green-border);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
}

/* ============================================================
   Login Page Tabs (inside .ns-login-box)
   ============================================================ */
.ns-login-tabs {
    margin: -4px -32px 20px;
    padding: 0 32px;
}
.ns-login-register-form {
    padding: 0;
}
.ns-login-register-form input {
    padding: 10px 14px !important;
    font-size: 14px !important;
    background: var(--ns-gray-50);
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .ns-login-tabs {
        margin-left: -20px;
        margin-right: -20px;
        padding: 0 20px;
    }
}