/* ====================================
   TotWise Lab — Magic Link Login Page
   Calm, Safe, Zero Friction
   ==================================== */

/* CSS Variables */
:root {
    /* Warm Palette */
    --peach: #E8B4A0;
    --peach-light: #F5D5C8;
    --peach-lightest: #FFE5D9;
    --sage: #A8C5A0;
    --sage-light: #C8DBC4;
    --sage-dark: #7BA876;
    
    /* Neutrals */
    --cream: #FFF8F5;
    --cream-warm: #FFFCFA;
    --white: #FFFFFF;
    --slate: #2D3B3A;
    --slate-light: #4A5857;
    --slate-muted: #6B7A79;
    
    /* Shadows */
    --shadow-soft: 0 2px 12px rgba(45, 59, 58, 0.06);
    --shadow-medium: 0 8px 30px rgba(45, 59, 58, 0.08);
    --shadow-card: 0 12px 40px rgba(45, 59, 58, 0.1);
    
    /* Spacing */
    --space-xs: 0.375rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--slate);
    background: var(--cream);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Visually Hidden (for accessibility) */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ====================================
   LAYOUT CONTAINER
   ==================================== */
.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

/* Background Decoration */
.bg-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
}

.bg-circle-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--sage-light) 0%, transparent 70%);
    top: -100px;
    right: -80px;
}

.bg-circle-2 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--peach-light) 0%, transparent 70%);
    bottom: -80px;
    left: -60px;
}

.bg-circle-3 {
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, var(--peach-lightest) 0%, transparent 70%);
    top: 30%;
    left: 10%;
    opacity: 0.3;
}

/* ====================================
   HEADER
   ==================================== */
.login-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 1;
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.brand-icon {
    width: 40px;
    height: 40px;
}

.brand-name {
    font-family: 'Nunito', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--slate);
}

.brand-subtitle {
    font-size: 0.85rem;
    color: var(--slate-muted);
    font-weight: 500;
}

/* ====================================
   MAIN CARD
   ==================================== */
.login-main {
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

/* Card States */
.card-state {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.card-state.hidden {
    opacity: 0;
    transform: translateY(-10px);
    position: absolute;
    pointer-events: none;
}

.success-state {
    opacity: 0;
    transform: translateY(10px);
    position: absolute;
    top: var(--space-xl);
    left: var(--space-xl);
    right: var(--space-xl);
    pointer-events: none;
}

.success-state.visible {
    opacity: 1;
    transform: translateY(0);
    position: relative;
    top: 0;
    left: 0;
    right: 0;
    pointer-events: auto;
}

.login-card.success {
    min-height: 360px;
}

/* ====================================
   WELCOME / FORM STATE
   ==================================== */
.welcome-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-lg);
}

.welcome-icon svg {
    width: 100%;
    height: 100%;
}

.login-card h1 {
    font-family: 'Nunito', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--slate);
    text-align: center;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.emoji {
    display: inline-block;
}

.welcome-text {
    text-align: center;
    color: var(--slate-muted);
    font-size: 0.95rem;
    margin-bottom: var(--space-xl);
    line-height: 1.5;
}

/* ====================================
   FORM
   ==================================== */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.login-message {
    margin-top: var(--space-sm);
    font-size: 0.9rem;
    color: var(--slate-light);
    text-align: center;
}

.login-message.error {
    color: #B84C4C;
    font-weight: 600;
}

.login-helper {
    margin-top: var(--space-xs);
    font-size: 0.85rem;
    color: var(--slate-muted);
    text-align: center;
}

.input-group {
    width: 100%;
}

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

.input-icon {
    position: absolute;
    left: var(--space-md);
    width: 20px;
    height: 20px;
    color: var(--slate-muted);
    pointer-events: none;
    transition: color 0.2s ease;
}

.input-wrapper input {
    width: 100%;
    padding: var(--space-md);
    padding-left: calc(var(--space-md) + 20px + var(--space-sm));
    font-family: inherit;
    font-size: 1rem;
    color: var(--slate);
    background: var(--cream);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    transition: all 0.2s ease;
}

.input-wrapper input::placeholder {
    color: var(--slate-muted);
}

.input-wrapper input:hover {
    background: var(--cream-warm);
    border-color: var(--peach-light);
}

.input-wrapper input:focus {
    outline: none;
    background: var(--white);
    border-color: var(--peach);
    box-shadow: 0 0 0 4px rgba(232, 180, 160, 0.15);
}

.input-wrapper input:focus + .input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--peach);
}

/* Submit Button */
.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(135deg, var(--peach) 0%, #D9A592 100%);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(232, 180, 160, 0.35);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(232, 180, 160, 0.45);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.8;
    cursor: not-allowed;
    transform: none;
}

.btn-arrow {
    width: 18px;
    height: 18px;
    transition: transform 0.2s ease;
}

.submit-btn:hover .btn-arrow {
    transform: translateX(3px);
}

/* ====================================
   REASSURANCE
   ==================================== */
.reassurance {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(45, 59, 58, 0.06);
}

.reassurance-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8rem;
    color: var(--slate-muted);
}

.reassurance-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ====================================
   SUCCESS STATE
   ==================================== */
.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    animation: successPop 0.5s ease-out;
}

@keyframes successPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-icon svg {
    width: 100%;
    height: 100%;
}

.login-card h2 {
    font-family: 'Nunito', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--slate);
    text-align: center;
    margin-bottom: var(--space-sm);
}

.success-text {
    text-align: center;
    font-size: 1rem;
    color: var(--slate-light);
    margin-bottom: var(--space-xs);
}

.success-subtext {
    text-align: center;
    font-size: 0.85rem;
    color: var(--slate-muted);
    margin-bottom: var(--space-xl);
}

/* Resend Button */
.resend-btn {
    display: block;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-family: 'Nunito', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--sage-dark);
    background: var(--sage-light);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.2s ease;
}

.resend-btn:hover {
    background: var(--sage);
    color: var(--white);
}

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

/* ====================================
   FOOTER
   ==================================== */
.login-footer {
    margin-top: var(--space-xl);
    text-align: center;
    position: relative;
    z-index: 1;
}

.login-footer p {
    font-size: 0.8rem;
    color: var(--slate-muted);
}

.login-footer a {
    color: var(--peach);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.login-footer a:hover {
    color: #D9A592;
    text-decoration: underline;
}

/* ====================================
   RESPONSIVE
   ==================================== */
@media (max-width: 480px) {
    .login-container {
        padding: var(--space-md);
        justify-content: flex-start;
        padding-top: 15vh;
    }
    
    .login-card {
        padding: var(--space-lg);
    }
    
    .login-card h1 {
        font-size: 1.5rem;
    }
    
    .brand-name {
        font-size: 1.35rem;
    }
}

@media (min-width: 768px) {
    .login-card {
        padding: var(--space-2xl);
    }
    
    .bg-circle-1 {
        width: 400px;
        height: 400px;
    }
    
    .bg-circle-2 {
        width: 350px;
        height: 350px;
    }
}

/* ====================================
   ACCESSIBILITY
   ==================================== */
:focus-visible {
    outline: 3px solid var(--peach);
    outline-offset: 2px;
}

button:focus:not(:focus-visible),
input:focus:not(:focus-visible) {
    outline: none;
}

/* Selection */
::selection {
    background: var(--peach-light);
    color: var(--slate);
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode hint (optional enhancement) */
@media (prefers-color-scheme: dark) {
    /* Could add dark mode support here if needed */
}