/* ============================================
   WREN DESIGN SYSTEM 🦜 - AUTH PAGES
   Styles for authentication pages (login, OTP)
   ============================================ */

/* OTP Success State - Minimal feedback */
.otp-input-group.success .otp-input {
    border-color: var(--success);
    background: var(--success-light);
}

.otp-input-group.success .otp-input:focus {
    border-color: var(--success);
    box-shadow: 0 0 0 3px var(--success-light);
}

/* OTP Success Animation - Wren Bird Jumping (Figma-level smooth) */
.otp-success-animation {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity;
    outline: none;
    border: none;
}

.otp-success-animation:focus,
.otp-success-animation:focus-visible {
    outline: none;
    border: none;
}

.otp-success-animation.show {
    opacity: 1;
    pointer-events: all;
}

.otp-success-bird {
    width: 96px;
    height: 96px;
    position: relative;
    animation: birdJump 1.6s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
    will-change: transform;
    transform-origin: center bottom;
}

.otp-success-bird img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.12));
    will-change: transform;
}

@keyframes birdJump {
    0% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
    15% {
        transform: translateY(-8px) rotate(-1.5deg) scale(1.02);
    }
    30% {
        transform: translateY(-20px) rotate(0deg) scale(1.06);
    }
    45% {
        transform: translateY(-30px) rotate(1.5deg) scale(1.1);
    }
    60% {
        transform: translateY(-20px) rotate(0deg) scale(1.06);
    }
    75% {
        transform: translateY(-8px) rotate(-0.5deg) scale(1.02);
    }
    90% {
        transform: translateY(-2px) rotate(0.2deg) scale(1.005);
    }
    100% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
}

.otp-success-track {
    position: relative;
    width: 100%;
    max-width: 300px;
    height: 2px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: visible;
    margin: var(--space-6) 0;
}

.otp-success-dots {
    position: relative;
    width: 100%;
    height: 100%;
}

.otp-success-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--wren-terracotta);
    border-radius: var(--radius-full);
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    animation: dotMove 2.5s linear infinite;
    box-shadow: 0 2px 4px rgba(204, 120, 92, 0.3);
    opacity: 0;
}

/* 3 dots visible at a time - evenly spaced (2.5s / 3 ≈ 0.833s) */
.otp-success-dot:nth-child(1) {
    animation-delay: 0s;
}

.otp-success-dot:nth-child(2) {
    animation-delay: 0.833s;
}

.otp-success-dot:nth-child(3) {
    animation-delay: 1.666s;
}

.otp-success-dot:nth-child(4) {
    animation-delay: 2.5s; /* Same as duration - seamless loop */
}

.otp-success-dot:nth-child(5) {
    animation-delay: 3.333s;
}

@keyframes dotMove {
    0% {
        left: -8px;
        opacity: 0;
        transform: translateY(-50%) scale(0.8);
    }
    4% {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
    6% {
        transform: translateY(-50%) scale(1.1);
    }
    8% {
        transform: translateY(-50%) scale(1);
    }
    92% {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
    96% {
        opacity: 0.5;
        transform: translateY(-50%) scale(0.9);
    }
    100% {
        left: calc(100% + 8px);
        opacity: 0;
        transform: translateY(-50%) scale(0.8);
    }
}

.otp-success-text {
    text-align: center;
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--black);
    letter-spacing: -0.03em;
    opacity: 0;
    transform: translateY(12px);
    animation: textFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
    margin-top: var(--space-4);
    will-change: opacity, transform;
}

@keyframes textFadeIn {
    0% {
        opacity: 0;
        transform: translateY(12px);
    }
    60% {
        opacity: 0.8;
        transform: translateY(-2px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* AUTH CONTAINER */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    background: var(--gray-50);
}

/* LOGIN CARD */
.login-card {
    width: 100%;
    max-width: 440px;
    padding: var(--space-12);
    background: var(--white);
    border: var(--border-width) solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.login-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.login-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
}

.login-title {
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--space-2);
}

.login-subtitle {
    color: var(--gray-700); /* Improved contrast for WCAG AA: 4.5:1 on white */
}

/* OTP CARD */
.otp-card {
    width: 100%;
    max-width: 440px;
    padding: var(--space-12);
    background: var(--white);
    border: var(--border-width) solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.otp-header {
    margin-bottom: var(--space-8);
}

.otp-title {
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--space-2);
}

.otp-description {
    color: var(--gray-700); /* Improved contrast for WCAG AA: 4.5:1 on white */
    margin-bottom: var(--space-8);
}

.otp-description .phone-number {
    font-weight: 700;
    color: var(--gray-900);
}

.otp-countdown {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--gray-600);
    font-family: var(--font-sans);
    line-height: 1.5;
}

/* OTP Input Group */
.otp-input-group {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    margin: var(--space-8) 0;
    flex-wrap: nowrap;
    width: 100%;
}

.otp-input {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: var(--text-2xl);
    font-weight: 700;
    font-family: var(--font-display);
    border: var(--border-width) solid var(--gray-300);
    border-radius: var(--radius-lg);
    background: var(--white);
    color: var(--black);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    flex: 0 0 48px;
    min-width: 0;
}

.otp-input:hover {
    border-color: var(--gray-400);
}

.otp-input:focus {
    transform: scale(1.05);
    box-shadow: 0 0 0 3px rgba(204, 120, 92, 0.15);
    border-color: var(--wren-terracotta);
    outline: none;
}

.otp-input:not(:placeholder-shown) {
    background: var(--gray-50);
}

.otp-input.form-control-error {
    border-color: var(--error);
    background: var(--error-light);
    animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

/* FORM MESSAGES */
.form-error {
    display: none;
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
    background: var(--error-light);
    border: var(--border-width) solid var(--error);
    border-radius: var(--radius-lg);
    color: var(--error);
    font-size: var(--text-sm);
    font-weight: 600;
}

.form-error.show {
    display: block;
}

.form-success {
    display: none;
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
    background: var(--success-light);
    border: var(--border-width) solid var(--success);
    border-radius: var(--radius-lg);
    color: var(--success);
    font-size: var(--text-sm);
    font-weight: 600;
}

.form-success.show {
    display: block;
}

/* OTP ACTIONS */
.otp-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
    margin-top: var(--space-8);
}

.otp-verify-btn {
    width: 100%;
    max-width: 100%;
}

.otp-verify-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.otp-footer-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: var(--border-width) solid var(--gray-200);
    gap: var(--space-4);
}

.otp-link {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700); /* Improved contrast for WCAG AA: 4.5:1 on white */
    text-decoration: none;
    transition: all var(--transition);
    padding: var(--space-2) var(--space-2);
    min-height: 44px; /* Touch target size */
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-sm);
}

.otp-link:hover {
    color: var(--gray-900);
    text-decoration: underline;
}

.otp-link.disabled {
    pointer-events: none;
    opacity: 0.5;
    cursor: not-allowed;
}

.otp-link.disabled:hover {
    text-decoration: none;
}

.resend-countdown {
    font-weight: 700;
    color: var(--wren-terracotta-dark); /* Improved contrast for WCAG AA: 4.5:1 on white */
}

/* WHATSAPP LINK IN MODAL */
.whatsapp-link {
    font-family: var(--font-display);
    color: var(--wren-terracotta);
    text-decoration: none;
    font-weight: 900;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.whatsapp-link:hover {
    color: var(--wren-terracotta-hover);
    text-decoration: underline;
}

.whatsapp-link i {
    font-size: 18px;
}

.modal-wren-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    display: block;
}

/* RESPONSIVE - Fix select cropping on larger screens */
@media (min-width: 768px) {
    .input-group .form-select.form-select-compact {
        width: auto;
        min-width: 100px;
        padding-right: var(--space-10);
    }
}

@media (min-width: 1024px) {
    .input-group .form-select.form-select-compact {
        min-width: 110px;
        padding-right: var(--space-12);
    }
}

/* WhatsApp Registration Modal - Figma Style */
.whatsapp-registration-modal {
    text-align: center;
    padding: var(--space-8) var(--space-6);
}

.whatsapp-registration-logo {
    width: 96px;
    height: 96px;
    margin: 0 auto var(--space-8);
    display: block;
    animation: logoFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: scale(0.9);
    will-change: opacity, transform;
}

@keyframes logoFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.whatsapp-registration-text {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    line-height: 1.6;
    color: var(--gray-700);
    margin-bottom: var(--space-8);
    animation: textSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
    opacity: 0;
    transform: translateY(8px);
    will-change: opacity, transform;
}

@keyframes textSlideIn {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.whatsapp-registration-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    background: var(--wren-terracotta);
    color: var(--white);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 12px rgba(204, 120, 92, 0.3);
    animation: linkFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
    opacity: 0;
    transform: translateY(8px);
    will-change: opacity, transform, box-shadow;
}

.whatsapp-registration-link:hover {
    background: var(--wren-terracotta-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(204, 120, 92, 0.4);
}

.whatsapp-registration-link:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(204, 120, 92, 0.3);
}

@keyframes linkFadeIn {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.whatsapp-registration-link i {
    font-size: 24px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* Loading States */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.btn-spinner {
    display: none;
    align-items: center;
    justify-content: center;
    margin-left: var(--space-2);
}

.btn-loading .btn-spinner {
    display: inline-flex;
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Remember Phone Checkbox */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    user-select: none;
    font-size: var(--text-sm);
    color: var(--gray-800); /* Improved contrast for WCAG AA: 4.5:1 on white */
    margin-top: var(--space-2);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--wren-terracotta);
    border-radius: var(--radius-sm);
}

.form-checkbox span {
    font-family: var(--font-sans);
    font-weight: 500;
}

/* Input Focus Pulse Animation */
.input-focus-pulse {
    animation: focusPulse 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes focusPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(204, 120, 92, 0.4);
    }
    50% {
        box-shadow: 0 0 0 4px rgba(204, 120, 92, 0.2);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(204, 120, 92, 0);
    }
}

/* Smooth transitions for form elements */
.form-control,
.form-select {
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.form-control:focus,
.form-select:focus {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Button hover improvements */
.btn-primary:not(.btn-loading):hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(204, 120, 92, 0.3);
}

.btn-primary:not(.btn-loading):active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(204, 120, 92, 0.2);
}

/* Shake animation for errors */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-4px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(4px);
    }
}

/* Mobile responsive */
@media (max-width: 480px) {
    .auth-container {
        padding: var(--space-4);
        min-height: 100vh;
        align-items: flex-start;
        padding-top: var(--space-6);
    }
    
    .login-card,
    .otp-card {
        padding: var(--space-6);
        margin: var(--space-4) 0;
    }
    
    /* Typography adjustments for mobile */
    .login-title,
    .otp-title {
        font-size: var(--text-2xl); /* 28px instead of 36px */
        line-height: 1.2;
        margin-bottom: var(--space-1);
    }
    
    .login-subtitle,
    .otp-description {
        font-size: var(--text-base); /* 15px for better readability */
        line-height: 1.5;
    }
    
    .login-header {
        margin-bottom: var(--space-6);
    }
    
    .otp-header {
        margin-bottom: var(--space-6);
    }
    
    .login-logo {
        width: 56px;
        height: 56px;
        margin-bottom: var(--space-4);
    }
    
    .otp-success-text {
        font-size: var(--text-xl); /* 21px instead of 28px */
    }
    
    .otp-success-bird {
        width: 80px;
        height: 80px;
    }
    
    .otp-success-track {
        max-width: 240px;
    }
    
    .form-error,
    .form-success {
        font-size: var(--text-base); /* 15px instead of 13px */
        padding: var(--space-3);
        margin-bottom: var(--space-3);
    }
    
    .whatsapp-registration-modal {
        padding: var(--space-6) var(--space-4);
    }
    
    .whatsapp-registration-text {
        font-size: var(--text-base); /* 15px instead of 17px */
        margin-bottom: var(--space-6);
    }
    
    .whatsapp-registration-link {
        font-size: var(--text-base); /* 15px instead of 17px */
        padding: var(--space-3) var(--space-6);
        width: 100%;
        justify-content: center;
    }
    
    .whatsapp-registration-logo {
        width: 80px;
        height: 80px;
        margin-bottom: var(--space-6);
    }
    
    /* OTP Input adjustments for mobile */
    .otp-input-group {
        gap: var(--space-1);
        margin: var(--space-6) 0;
        padding: 0 var(--space-2);
    }
    
    .otp-input {
        width: 36px;
        height: 48px;
        font-size: var(--text-lg);
        flex: 0 0 36px;
    }
    
    .otp-actions {
        margin-top: var(--space-6);
    }
    
    .otp-footer-links {
        flex-direction: column;
        gap: var(--space-3);
        align-items: stretch;
        padding-top: var(--space-4);
        margin-top: var(--space-4);
    }
    
    .otp-link {
        text-align: center;
        justify-content: center;
        min-height: 44px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .input-group .form-select.form-select-compact {
        width: 100%;
        min-width: 100%;
        border-radius: var(--radius-lg);
        border-right: var(--border-width) solid var(--gray-300);
        margin-bottom: var(--space-2);
    }
    
    .input-group .form-control {
        border-radius: var(--radius-lg);
        border-left: var(--border-width) solid var(--gray-300);
    }
    
    .form-group {
        margin-bottom: var(--space-5);
    }
}

/* Tablet responsive */
@media (min-width: 481px) and (max-width: 768px) {
    .auth-container {
        padding: var(--space-6);
    }
    
    .login-card,
    .otp-card {
        padding: var(--space-10);
    }
    
    .login-title,
    .otp-title {
        font-size: var(--text-3xl); /* 36px - keep original */
    }
    
    .login-subtitle,
    .otp-description {
        font-size: var(--text-base); /* 15px */
    }
    
    .otp-success-text {
        font-size: var(--text-2xl); /* 28px */
    }
    
    .otp-input-group {
        gap: var(--space-3);
    }
    
    .otp-input {
        width: 48px;
        height: 56px;
    }
    
    .otp-footer-links {
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Desktop and larger screens */
@media (min-width: 1024px) {
    .auth-container {
        padding: var(--space-8);
    }
    
    .login-card,
    .otp-card {
        max-width: 480px;
        padding: var(--space-12);
    }
    
    .login-title,
    .otp-title {
        font-size: var(--text-3xl); /* 36px */
    }
    
    .login-subtitle,
    .otp-description {
        font-size: var(--text-lg); /* 17px for better readability on large screens */
    }
    
    .otp-success-text {
        font-size: var(--text-2xl); /* 28px */
    }
    
    .otp-input-group {
        gap: var(--space-4);
    }
    
    .otp-input {
        width: 52px;
        height: 60px;
        font-size: var(--text-2xl);
    }
    
    .otp-footer-links {
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Very small screens */
@media (max-width: 360px) {
    .auth-container {
        padding: var(--space-3);
    }
    
    .login-card,
    .otp-card {
        padding: var(--space-5);
    }
    
    .otp-input-group {
        gap: 6px;
        padding: 0 var(--space-1);
    }
    
    .otp-input {
        width: 32px;
        height: 44px;
        font-size: var(--text-base);
        flex: 0 0 32px;
    }
}