/* ============================================================
   auth.css — Account Module Auth Pages
   Covers: login, register, forgot-password, reset-password
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
    --primary:        #6366f1;
    --primary-dark:   #4f46e5;
    --primary-glow:   rgba(99, 102, 241, 0.25);
    --danger:         #ef4444;
    --danger-bg:      #fef2f2;
    --danger-border:  #fecaca;
    --success:        #10b981;
    --success-bg:     #f0fdf4;
    --success-border: #bbf7d0;
    --gray-900:       #0f172a;
    --gray-700:       #374151;
    --gray-600:       #6b7280;
    --gray-400:       #9ca3af;
    --gray-200:       #e5e7eb;
    --gray-100:       #f3f4f6;
    --gray-50:        #f9fafb;
    --card-bg:        rgba(255, 255, 255, 0.97);
    --radius-card:    22px;
    --radius-input:   12px;
    --radius-btn:     12px;
    --transition:     0.2s ease;
    --font:           'Inter', system-ui, sans-serif;
}

/* ── Base ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body, .auth-body {
    font-family: var(--font);
    background: #f1f5f9;
    min-height: 100vh;
    color: var(--gray-700);
    -webkit-font-smoothing: antialiased;
}

/* ── Page Wrap ─────────────────────────────────────────────── */
.auth-page-wrap {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    position: relative;
    overflow: hidden;
}

/* Decorative blobs */
.auth-blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.18;
    pointer-events: none;
    z-index: 0;
}
.auth-blob-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #818cf8, #6366f1);
    top: -150px; left: -100px;
    animation: blobFloat 8s ease-in-out infinite alternate;
}
.auth-blob-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #a78bfa, #7c3aed);
    bottom: -100px; right: -80px;
    animation: blobFloat 10s ease-in-out infinite alternate-reverse;
}
@keyframes blobFloat {
    from { transform: scale(1) translate(0, 0); }
    to   { transform: scale(1.08) translate(20px, -20px); }
}

/* ── Auth Card ─────────────────────────────────────────────── */
.auth-card {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    box-shadow:
        0 4px 6px -1px rgba(0,0,0,0.07),
        0 20px 50px -8px rgba(0,0,0,0.18),
        0 0 0 1px rgba(255,255,255,0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 10;
    animation: cardEnter 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes cardEnter {
    from { opacity: 0; transform: translateY(24px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0)    scale(1); }
}

/* Accent bar at top */
.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, #818cf8, #6366f1, #a855f7);
    border-radius: var(--radius-card) var(--radius-card) 0 0;
}

/* ── Card Header ───────────────────────────────────────────── */
.auth-card-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.auth-icon-badge {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, #818cf8, #6366f1);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
    box-shadow: 0 8px 20px rgba(99,102,241,0.35);
}

.auth-title {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--gray-900);
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 0.4rem;
}

.auth-subtitle {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.5;
}

/* ── Alert Banners ─────────────────────────────────────────── */
.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    border-radius: 10px;
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    animation: alertIn 0.3s ease;
}
@keyframes alertIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.auth-alert-error {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: #b91c1c;
}
.auth-alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: #065f46;
}

.auth-alert-icon { flex-shrink: 0; font-size: 1rem; margin-top: 1px; }
.auth-alert-text { flex: 1; line-height: 1.5; }

.auth-alert-close {
    background: none; border: none; cursor: pointer;
    color: inherit; opacity: 0.6; padding: 0; font-size: 0.85rem;
    transition: opacity var(--transition);
}
.auth-alert-close:hover { opacity: 1; }

/* ── Google Button Wrapper ─────────────────────────────────── */
.google-btn-wrap {
    margin-bottom: 0.5rem;
}
.google-btn-wrap > div,
.google-btn-wrap iframe {
    width: 100% !important;
    border-radius: 10px !important;
}

/* ── Divider ───────────────────────────────────────────────── */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.25rem 0;
    color: var(--gray-400);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.auth-divider::before,
.auth-divider::after {
    content: ''; flex: 1;
    height: 1px;
    background: var(--gray-200);
}

/* ── Form Field ────────────────────────────────────────────── */
.auth-field { margin-bottom: 1.1rem; }

.auth-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.4rem;
    letter-spacing: 0.01em;
}

.auth-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
}
.auth-label-row .auth-label { margin-bottom: 0; }

.auth-forgot-link {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}
.auth-forgot-link:hover { color: var(--primary-dark); text-decoration: underline; }

.auth-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input-icon {
    position: absolute;
    left: 14px;
    color: var(--gray-400);
    font-size: 0.875rem;
    pointer-events: none;
    z-index: 1;
    transition: color var(--transition);
}

.auth-input {
    width: 100%;
    padding: 0.7rem 1rem 0.7rem 2.6rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-input);
    font-size: 0.925rem;
    font-family: var(--font);
    color: var(--gray-900);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
.auth-input-pw { padding-right: 3rem; }

.auth-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}
.auth-input:focus ~ .auth-input-icon,
.auth-input-wrap:focus-within .auth-input-icon { color: var(--primary); }

.auth-input.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
}
.auth-input.is-invalid + .auth-pw-toggle { color: var(--danger); }

.auth-field-error {
    font-size: 0.8rem;
    color: var(--danger);
    margin-top: 0.3rem;
    display: none;
    font-weight: 500;
}

/* Password toggle */
.auth-pw-toggle {
    position: absolute;
    right: 12px;
    background: none; border: none;
    color: var(--gray-400); cursor: pointer;
    padding: 4px; font-size: 0.95rem;
    transition: color var(--transition);
    z-index: 2;
}
.auth-pw-toggle:hover { color: var(--gray-700); }
.auth-pw-toggle:focus { outline: none; color: var(--primary); }

/* ── Remember Me ───────────────────────────────────────────── */
.auth-remember {
    margin-bottom: 1.25rem;
}
.auth-check-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--gray-600);
    user-select: none;
}
.auth-checkbox { accent-color: var(--primary); width: 16px; height: 16px; cursor: pointer; }

/* ── Submit Button ─────────────────────────────────────────── */
.auth-submit-btn {
    width: 100%;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    border: none;
    border-radius: var(--radius-btn);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 15px rgba(99,102,241,0.35);
    letter-spacing: 0.02em;
}
.auth-submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99,102,241,0.45);
}
.auth-submit-btn:active:not(:disabled) { transform: translateY(0); }
.auth-submit-btn:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

/* ── Footer ────────────────────────────────────────────────── */
.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--gray-100);
}
.auth-footer p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}
.auth-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition);
}
.auth-link:hover { color: var(--primary-dark); text-decoration: underline; }

.auth-back-home {
    display: inline-block;
    margin-top: 0.25rem;
    font-size: 0.825rem;
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition);
}
.auth-back-home:hover { color: var(--gray-700); }

/* ── Success State (forgot-password) ────────────────────────── */
.auth-success-state { text-align: center; }
.auth-success-icon-wrap {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, #34d399, #10b981);
    border-radius: 50%;
    margin: 0 auto 1.25rem;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.75rem; color: #fff;
    box-shadow: 0 8px 24px rgba(16,185,129,0.35);
    animation: successPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes successPop {
    from { transform: scale(0.5); opacity: 0; }
    to   { transform: scale(1);   opacity: 1; }
}

/* ── Forgot/reset specific card adjustments ─────────────────── */
.forgot-container {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 440px;
    margin: 2rem auto;
}

/* ── Password Strength (reset page) ─────────────────────────── */
.pw-strength-wrap { margin-top: 0.5rem; }
.pw-strength-bar {
    height: 4px;
    border-radius: 2px;
    background: var(--gray-200);
    overflow: hidden;
    margin-bottom: 4px;
}
.pw-strength-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.35s ease, background 0.35s ease;
    width: 0%;
}
.pw-strength-label {
    font-size: 0.775rem;
    font-weight: 500;
    color: var(--gray-400);
}

/* ── Legacy compat (kept for any old markup) ─────────────────── */
.login-container { /* alias */
    background: var(--card-bg);
    border-radius: var(--radius-card);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    padding: 2.5rem 2rem;
    max-width: 440px;
    margin: 1rem auto;
}
.form-group      { margin-bottom: 1rem; }
.form-control    { width:100%; padding:0.7rem 1rem; border:2px solid var(--gray-200); border-radius:var(--radius-input); font-size:0.925rem; outline:none; transition:border-color var(--transition); }
.form-control:focus      { border-color:var(--primary); box-shadow:0 0 0 4px var(--primary-glow); }
.form-control.is-invalid { border-color:var(--danger); }
.invalid-feedback        { font-size:0.8rem; color:var(--danger); margin-top:0.25rem; }
.form-label   { display:block; font-size:0.85rem; font-weight:600; color:var(--gray-700); margin-bottom:0.4rem; }
.btn-login    { width:100%; padding:0.8rem 1.5rem; background:linear-gradient(135deg,#6366f1,#4f46e5); border:none; border-radius:var(--radius-btn); color:#fff; font-size:0.95rem; font-weight:700; cursor:pointer; transition:all 0.25s; box-shadow:0 4px 15px rgba(99,102,241,.35); }
.btn-login:hover { transform:translateY(-2px); box-shadow:0 8px 25px rgba(99,102,241,.45); }
.btn-reset    { width:100%; padding:0.8rem 1.5rem; background:linear-gradient(135deg,#6366f1,#4f46e5); border:none; border-radius:var(--radius-btn); color:#fff; font-size:0.95rem; font-weight:700; cursor:pointer; transition:all 0.25s; box-shadow:0 4px 15px rgba(99,102,241,.35); }
.btn-reset:hover { transform:translateY(-2px); box-shadow:0 8px 25px rgba(99,102,241,.45); }
.alert          { padding:0.85rem 1rem; border-radius:10px; margin-bottom:1rem; font-size:0.875rem; }
.alert-danger   { background:var(--danger-bg); border:1px solid var(--danger-border); color:#b91c1c; }
.alert-success  { background:var(--success-bg); border:1px solid var(--success-border); color:#065f46; }
.footer-links   { text-align:center; margin-top:1.5rem; padding-top:1.25rem; border-top:1px solid var(--gray-100); }
.footer-links p { font-size:0.875rem; color:var(--gray-600); margin-bottom:0.5rem; }
.back-home      { font-size:0.825rem; color:var(--gray-400); text-decoration:none; }
.back-home:hover{ color:var(--gray-700); }
.signup-link    { color:var(--primary); font-weight:600; text-decoration:none; }
.signup-link:hover { color:var(--primary-dark); text-decoration:underline; }
.divider        { display:flex; align-items:center; gap:0.75rem; margin:1.25rem 0; color:var(--gray-400); font-size:0.8rem; font-weight:500; text-transform:uppercase; letter-spacing:0.03em; }
.divider::before,.divider::after { content:''; flex:1; height:1px; background:var(--gray-200); }
.password-container { position:relative; }
.password-toggle    { position:absolute; top:50%; right:12px; transform:translateY(-50%); background:none; border:none; color:var(--gray-400); cursor:pointer; padding:4px; font-size:1rem; z-index:2; transition:color var(--transition); }
.password-toggle:hover { color:var(--gray-700); }
.google-signin-container { margin:0.5rem 0; }
.form-check { display:flex; align-items:center; gap:0.5rem; }
.form-check-input { accent-color:var(--primary); width:16px; height:16px; }
.form-check-label { font-size:0.85rem; color:var(--gray-600); cursor:pointer; }
.forgot-password  { font-size:0.85rem; color:var(--primary); font-weight:500; text-decoration:none; }
.forgot-password:hover { text-decoration:underline; }
.form-options     { display:flex; justify-content:space-between; align-items:center; margin-bottom:1.25rem; }
.password-strength { font-size:0.8rem; margin-top:0.3rem; font-weight:500; }

/* Verification / email cards (kept) */
.verification-card { background:#fff; border-radius:20px; padding:40px; box-shadow:0 25px 50px rgba(0,0,0,.15); max-width:600px; width:100%; text-align:center; position:relative; overflow:hidden; margin:2rem auto; }
.verification-card::before { content:''; position:absolute; top:0; left:0; right:0; height:5px; background:linear-gradient(90deg,var(--primary),#3b82f6,var(--success)); }
.email-icon { width:120px; height:120px; background:linear-gradient(135deg,var(--primary),#a5b4fc); border-radius:50%; margin:0 auto 30px; display:flex; align-items:center; justify-content:center; font-size:3rem; color:#fff; animation:pulse 2s infinite; }
@keyframes pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.05)} }
.success-icon { color:#10b981; }
.error-icon   { color:#ef4444; }

/* Google-only register container */
.google-only-container { text-align:center; padding:3rem 2rem; background:var(--card-bg); backdrop-filter:blur(20px); border-radius:var(--radius-card); box-shadow:0 20px 60px rgba(0,0,0,.15); max-width:450px; margin:3rem auto; }
.google-only-header h1 { font-size:2rem; font-weight:800; background:linear-gradient(135deg,#667eea,#764ba2); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; margin-bottom:1rem; }
.google-only-header p  { color:var(--gray-600); font-size:1rem; margin-bottom:2rem; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 480px) {
    .auth-page-wrap { padding: 1rem 0.75rem; }
    .auth-card { padding: 2rem 1.25rem; max-width: 100%; }
    .auth-title { font-size: 1.5rem; }
    .auth-blob { display: none; }
}