/* ============================================
   GiveItPoints Auth Pages: Login, Register, Forgot Password
   Matches the "Modern SaaS" theme from index-modern.css.
   Reuses design tokens from :root in index-modern.css/style.css.
   ============================================ */

/* --- Design Tokens (duplicated for standalone use) --- */
:root {
    --ms-indigo-950: #0a0e1f;
    --ms-indigo-900: #111833;
    --ms-indigo-800: #1a2547;
    --ms-indigo-700: #243360;
    --ms-indigo-600: #2e4278;
    --ms-indigo-500: #3d5a9e;
    --ms-teal-700: #0a6b6e;
    --ms-teal-600: #0d7377;
    --ms-teal-500: #14b8a6;
    --ms-teal-400: #2dd4bf;
    --ms-teal-300: #5eead4;
    --ms-slate-900: #0f172a;
    --ms-slate-800: #1e293b;
    --ms-slate-700: #334155;
    --ms-slate-600: #475569;
    --ms-slate-500: #64748b;
    --ms-slate-400: #94a3b8;
    --ms-slate-300: #cbd5e1;
    --ms-slate-200: #e2e8f0;
    --ms-slate-100: #f1f5f9;
    --ms-slate-50: #f8fafc;
    --ms-shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.2);
    --ms-radius-md: 0.5rem;
    --ms-radius-lg: 0.75rem;
    --ms-radius-xl: 1rem;
    --ms-radius-2xl: 1.5rem;
}

/* --- Semantic Theme Variables (light mode = default) --- */
.ms-auth-page {
    --auth-page-bg: var(--ms-slate-50);
    --auth-glow-teal-opacity: 0.06;
    --auth-glow-indigo-opacity: 0.06;
    --auth-nav-brand-color: var(--ms-slate-900);
    --auth-nav-brand-hover: var(--ms-teal-600);
    --auth-card-border: 1px solid var(--ms-slate-200);
    --auth-card-shadow: 0 10px 40px -10px rgb(0 0 0 / 0.08);
    --auth-footer-text: var(--ms-slate-500);
    --auth-footer-hover: var(--ms-slate-700);
    --auth-toggle-color: var(--ms-slate-500);
    --auth-toggle-hover: var(--ms-slate-700);
}

/* --- Dark Mode Overrides --- */
[data-theme="dark"] .ms-auth-page {
    --auth-page-bg: var(--ms-indigo-950);
    --auth-glow-teal-opacity: 0.1;
    --auth-glow-indigo-opacity: 0.12;
    --auth-nav-brand-color: white;
    --auth-nav-brand-hover: var(--ms-teal-300);
    --auth-card-border: none;
    --auth-card-shadow: var(--ms-shadow-2xl), 0 0 80px rgba(20, 184, 166, 0.08);
    --auth-footer-text: var(--ms-slate-500);
    --auth-footer-hover: var(--ms-slate-300);
    --auth-toggle-color: var(--ms-slate-400);
    --auth-toggle-hover: white;
}

/* --- Auth Page Layout --- */
.ms-auth-page {
    background: var(--auth-page-bg) !important;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
    transition: background 0.3s ease;
}

/* Decorative radial glows */
.ms-auth-page::before {
    content: '';
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(20, 184, 166, var(--auth-glow-teal-opacity)), transparent 70%);
    top: -200px;
    right: -150px;
    pointer-events: none;
    transition: background 0.3s ease;
}

.ms-auth-page::after {
    content: '';
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(61, 90, 158, var(--auth-glow-indigo-opacity)), transparent 70%);
    bottom: -150px;
    left: -100px;
    pointer-events: none;
    transition: background 0.3s ease;
}

.ms-auth-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    position: relative;
    z-index: 1;
}

.ms-auth-container {
    width: 100%;
    max-width: 440px;
}

/* --- Minimal Brand Nav --- */
.ms-auth-nav {
    padding: 1.25rem 0;
    position: relative;
    z-index: 10;
}

.ms-auth-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ms-auth-nav .ms-navbar-brand {
    font-size: 1.375rem;
    font-weight: 900;
    color: var(--auth-nav-brand-color);
    text-decoration: none;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    transition: color 0.3s ease;
}

.ms-auth-nav .ms-navbar-brand:hover {
    color: var(--auth-nav-brand-hover);
}

/* Brand mark uses stacked-card design from style.css .ms-brand-mark */

/* --- Theme Toggle Button --- */
.ms-theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--auth-toggle-color);
    font-size: 1.125rem;
    line-height: 1;
    border-radius: var(--ms-radius-md);
    transition: color 0.2s ease, background 0.2s ease;
}

.ms-theme-toggle:hover {
    color: var(--auth-toggle-hover);
    background: rgba(127, 127, 127, 0.1);
}

.ms-theme-toggle:focus-visible {
    outline: 2px solid var(--ms-teal-400);
    outline-offset: 2px;
}

/* --- Auth Card --- */
.ms-auth-card {
    background: white;
    border-radius: var(--ms-radius-2xl);
    border: var(--auth-card-border);
    box-shadow: var(--auth-card-shadow);
    overflow: hidden;
    position: relative;
    transition: box-shadow 0.3s ease, border 0.3s ease;
}

/* Teal gradient top accent bar */
.ms-auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ms-teal-500), var(--ms-indigo-500));
}

/* Disable generic card hover transform */
.ms-auth-card:hover {
    transform: none !important;
}

.ms-auth-card-body {
    padding: 2.5rem 2rem;
}

/* --- Card Header (brand mark + title) --- */
.ms-auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

/* Stacked card brand mark (larger version for card header) */
.ms-auth-brand-mark {
    width: 52px;
    height: 52px;
    position: relative;
    display: inline-block;
    margin-bottom: 1.25rem;
}
.ms-auth-brand-mark .ms-card-back,
.ms-auth-brand-mark .ms-card-mid,
.ms-auth-brand-mark .ms-card-front {
    position: absolute;
    border-radius: 4px;
    width: 32px;
    height: 42px;
}
.ms-auth-brand-mark .ms-card-back {
    background: var(--ms-teal-400);
    top: 0;
    left: 0;
    transform: rotate(-8deg);
    opacity: 0.5;
}
.ms-auth-brand-mark .ms-card-mid {
    background: var(--ms-teal-500);
    top: 2px;
    left: 7px;
    transform: rotate(-3deg);
    opacity: 0.75;
}
.ms-auth-brand-mark .ms-card-front {
    background: linear-gradient(135deg, var(--ms-teal-500), var(--ms-teal-600));
    top: 3px;
    left: 14px;
    transform: rotate(2deg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1rem;
    color: white;
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.25);
}

.ms-auth-title {
    font-size: 1.625rem;
    font-weight: 800;
    color: var(--ms-slate-900);
    letter-spacing: -0.025em;
    margin-bottom: 0.375rem;
}

.ms-auth-subtitle {
    font-size: 0.9375rem;
    color: var(--ms-slate-500);
    margin: 0;
}

/* --- Form Styles --- */
.ms-auth-form {
    text-align: left;
}

.ms-auth-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ms-slate-700);
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
}

.ms-input-group {
    position: relative;
}

.ms-input-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ms-slate-400);
    font-size: 0.875rem;
    pointer-events: none;
    transition: color 0.15s ease;
    z-index: 2;
}

.ms-auth-input {
    padding-left: 2.75rem !important;
}

.ms-input-group:focus-within .ms-input-icon {
    color: var(--ms-teal-500);
}

/* --- Button Styles (replicating ms-btn for standalone) --- */
.ms-auth-page .ms-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.8125rem 1.75rem;
    border-radius: var(--ms-radius-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
    line-height: 1.5;
}

.ms-auth-page .ms-btn:focus-visible {
    outline: 2px solid var(--ms-teal-400);
    outline-offset: 2px;
}

.ms-auth-page .ms-btn-primary {
    background: linear-gradient(135deg, var(--ms-teal-600), var(--ms-teal-700));
    color: white;
    box-shadow: 0 2px 8px rgba(20, 184, 166, 0.25);
}

.ms-auth-page .ms-btn-primary:hover {
    background: linear-gradient(135deg, var(--ms-teal-500), var(--ms-teal-600));
    box-shadow: 0 4px 16px rgba(20, 184, 166, 0.35);
    transform: translateY(-1px);
    color: white;
}

.ms-auth-page .ms-btn-lg {
    padding: 0.9375rem 2.25rem;
    font-size: 1rem;
    border-radius: var(--ms-radius-xl);
}

.ms-auth-page .ms-btn-outline {
    background: white;
    color: var(--ms-slate-700);
    border: 1px solid var(--ms-slate-300);
}

.ms-auth-page .ms-btn-outline:hover {
    background: var(--ms-slate-100);
    border-color: var(--ms-slate-400);
    color: var(--ms-slate-800);
}

.ms-btn-sm {
    font-size: 0.8125rem;
    padding: 0.4375rem 1rem;
    border-radius: var(--ms-radius-md);
}

.ms-auth-submit {
    width: 100%;
}

/* --- Forgot Password Link --- */
.ms-forgot-link {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ms-slate-500);
    text-decoration: none;
    transition: color 0.15s ease;
}

.ms-forgot-link:hover {
    color: var(--ms-teal-600);
}

/* --- Secondary Action (Create Account / Sign In) --- */
.ms-auth-secondary {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ms-slate-200);
    margin-top: 0.5rem;
}

.ms-auth-secondary p {
    font-size: 0.875rem;
    color: var(--ms-slate-500);
    margin-bottom: 0.375rem;
}

.ms-auth-link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ms-teal-600);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    transition: color 0.15s ease, gap 0.15s ease;
}

.ms-auth-link:hover {
    color: var(--ms-teal-500);
    gap: 0.625rem;
}

/* --- Minimal Footer --- */
.ms-auth-footer-bar {
    padding: 1.5rem 0;
    margin-top: auto;
    position: relative;
    z-index: 1;
}

.ms-auth-footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.ms-auth-footer-bar span,
.ms-auth-footer-bar a {
    font-size: 0.75rem;
    color: var(--auth-footer-text);
    transition: color 0.3s ease;
}

.ms-auth-footer-links {
    display: flex;
    gap: 1.25rem;
}

.ms-auth-footer-links a {
    text-decoration: none;
    transition: color 0.15s ease;
}

.ms-auth-footer-links a:hover {
    color: var(--auth-footer-hover);
}

/* --- Animation --- */
@keyframes ms-fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.ms-animate {
    animation: ms-fadeUp 0.6s ease-out both;
}

/* --- Responsive --- */
@media (max-width: 575px) {
    .ms-auth-wrapper {
        padding: 1.5rem 1rem;
        align-items: flex-start;
        padding-top: 1rem;
    }

    .ms-auth-card-body {
        padding: 2rem 1.5rem;
    }

    .ms-auth-brand-mark {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    .ms-auth-title {
        font-size: 1.375rem;
    }
}

@media (max-height: 700px) {
    .ms-auth-wrapper {
        align-items: flex-start;
        padding-top: 2rem;
    }
}