/* ===================================
   Dawah Authentication Styles
   Modern Fintech Design with Animations
   =================================== */

:root {
    /* Primary Colors - Islamic Green Theme */
    --primary-green: #1B7B4D;
    --primary-green-dark: #145A38;
    --primary-green-light: #2E9B6B;
    --primary-green-hover: #0F4A2E;

    /* Secondary Colors */
    --accent-gold: #D4AF37;
    --accent-gold-light: #E8C547;

    /* Neutral Colors */
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --light-gray: #E9ECEF;
    --medium-gray: #6C757D;
    --dark-gray: #343A40;
    --black: #1A1A1A;

    /* Status Colors */
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;

    /* Background Colors */
    --bg-light: #F5F7FA;
    --bg-gradient-start: #1B7B4D;
    --bg-gradient-end: #0D4A2E;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-slower: 500ms ease;

    /* Font Families */
    --font-inter: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-poppins: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-inter);
    background-color: var(--bg-light);
    color: var(--dark-gray);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===================================
   Auth Container Layout
   =================================== */
.auth-body {
    overflow: auto;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
}

.auth-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* ===================================
   Left Side - Slider
   =================================== */
.auth-slider {
    position: relative;
    width: 50%;
    min-width: 500px;
    height: 100vh;
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(27, 123, 77, 0.95) 0%, rgba(13, 74, 46, 0.98) 100%);
}

.slider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(27, 123, 77, 0.6) 0%, rgba(13, 74, 46, 0.75) 100%);
    z-index: 1;
}

.slider-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
}

.slider-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slower) ease, visibility var(--transition-slower) ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.slider-slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    animation: zoomSlow 20s ease-in-out infinite;
}

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

.slide-text {
    position: relative;
    z-index: 3;
    color: var(--white);
    max-width: 450px;
    animation: slideUp 0.8s ease-out;
}

.slide-text h1 {
    font-family: var(--font-poppins);
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.slide-text p {
    font-size: 1.125rem;
    line-height: 1.7;
    opacity: 0.95;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.slider-indicators {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all var(--transition-base) ease;
    border: 2px solid transparent;
}

.indicator:hover {
    background-color: rgba(255, 255, 255, 0.7);
}

.indicator.active {
    background-color: var(--white);
    width: 32px;
    border-color: var(--accent-gold);
}

/* ===================================
   Right Side - Form Container
   =================================== */
.auth-form-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    padding: 40px 60px;
    position: relative;
    overflow-y: auto;
    max-height: 100vh;
}

.form-wrapper {
    width: 100%;
    max-width: 440px;
    animation: fadeInRight 0.6s ease-out;
    margin: auto 0;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===================================
   Logo
   =================================== */
.auth-logo {
    text-align: center;
    margin-bottom: 32px;
    animation: fadeInDown 0.6s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-logo img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

/* ===================================
   Tabs
   =================================== */
.auth-tabs {
    display: flex;
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 6px;
    margin-bottom: 32px;
    animation: fadeIn 0.6s ease-out 0.1s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.tab-btn {
    flex: 1;
    padding: 12px 24px;
    border: none;
    background: transparent;
    color: var(--medium-gray);
    font-family: var(--font-inter);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-base) ease;
}

.tab-btn:hover {
    color: var(--primary-green);
    background-color: rgba(27, 123, 77, 0.05);
}

.tab-btn.active {
    background-color: var(--primary-green);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

/* ===================================
   Form Title & Description
   =================================== */
.form-title {
    font-family: var(--font-poppins);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 8px;
    animation: fadeIn 0.6s ease-out 0.2s both;
}

.form-description {
    color: var(--medium-gray);
    font-size: 0.9375rem;
    margin-bottom: 32px;
    line-height: 1.6;
    animation: fadeIn 0.6s ease-out 0.3s both;
}

/* ===================================
   Form Styles
   =================================== */
.auth-form {
    animation: fadeIn 0.6s ease-out 0.4s both;
}

.form-group {
    margin-bottom: 24px;
    animation: fadeInUp 0.5s ease-out both;
    position: relative;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.15s; }
.form-group:nth-child(3) { animation-delay: 0.2s; }
.form-group:nth-child(4) { animation-delay: 0.25s; }
.form-group:nth-child(5) { animation-delay: 0.3s; }
.form-group:nth-child(6) { animation-delay: 0.35s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 16px 45px 16px 16px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-inter);
    font-size: 0.9375rem;
    color: var(--dark-gray);
    background-color: var(--white);
    transition: all var(--transition-fast) ease;
    outline: none;
    box-sizing: border-box;
}

.form-group input::placeholder {
    color: var(--medium-gray);
}

.form-group input:hover {
    border-color: var(--primary-green-light);
}

.form-group input:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 4px rgba(27, 123, 77, 0.1);
}

.form-group input.error {
    border-color: var(--error);
}

/* Password Toggle Button */
.password-toggle {
    position: absolute !important;
    right: 14px !important;
    top: 42px !important;
    background: none !important;
    border: none !important;
    cursor: pointer !important;
    color: #6C757D !important;
    font-size: 1.2rem !important;
    opacity: 0.6 !important;
    transition: all 0.2s ease !important;
    padding: 4px !important;
    width: 24px !important;
    height: 24px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    z-index: 10;
}

.password-toggle:hover {
    opacity: 1 !important;
    color: #1B7B4D !important;
}

.password-toggle:active {
    transform: scale(0.95) !important;
}

.error-message {
    display: block;
    color: var(--error);
    font-size: 0.8125rem;
    margin-top: 6px;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ===================================
   Form Options (Remember & Forgot)
   =================================== */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    animation: fadeIn 0.6s ease-out 0.5s both;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--medium-gray);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-green);
    cursor: pointer;
}

.forgot-link {
    font-size: 0.875rem;
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast) ease;
}

.forgot-link:hover {
    color: var(--primary-green-dark);
    text-decoration: underline;
}

/* ===================================
   Buttons
   =================================== */
.btn-primary {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
    font-family: var(--font-poppins);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base) ease;
    box-shadow: 0 4px 14px rgba(27, 123, 77, 0.35);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(27, 123, 77, 0.45);
    background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--primary-green) 100%);
}

.btn-primary:hover::before {
    left: 100%;
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ===================================
   Success Message
   =================================== */
.success-message {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    color: var(--success);
    font-size: 0.9375rem;
    margin-bottom: 24px;
    margin-top: 10px;
    animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Form Footer
   =================================== */
.form-footer {
    margin-top: 32px;
    text-align: center;
    animation: fadeIn 0.6s ease-out 0.6s both;
}

.form-footer p {
    font-size: 0.75rem;
    color: var(--medium-gray);
    line-height: 1.8;
}

.form-footer a {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast) ease;
}

.form-footer a:hover {
    color: var(--primary-green-dark);
    text-decoration: underline;
}

/* ===================================
   Social Login
   =================================== */
.social-login-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
    animation: fadeIn 0.6s ease-out 0.5s both;
}

.social-login-divider::before,
.social-login-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--light-gray);
}

.social-login-divider span {
    padding: 0 16px;
    font-size: 0.875rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 12px 24px;
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-gray);
    text-decoration: none;
    transition: all var(--transition-fast) ease;
    animation: fadeIn 0.6s ease-out 0.6s both;
    cursor: pointer;
}

.btn-google:hover {
    background-color: var(--off-white);
    border-color: var(--medium-gray);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

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

.google-icon {
    flex-shrink: 0;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .auth-slider {
        min-width: 400px;
    }

    .slide-text h1 {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .auth-body {
        overflow: auto;
    }

    .auth-container {
        flex-direction: column;
        min-height: auto;
    }

    .auth-slider {
        width: 100%;
        min-width: auto;
        height: 40vh;
        min-height: 300px;
        position: relative;
        flex-shrink: 0;
    }

    .slider-content {
        padding: 30px;
    }

    .slide-text h1 {
        font-size: 1.75rem;
    }

    .slide-text p {
        font-size: 0.9375rem;
    }

    .auth-form-container {
        padding: 40px 24px;
        min-height: auto;
        max-height: none;
        overflow: visible;
    }

    .form-wrapper {
        max-width: 100%;
        margin: 0;
    }

    .slider-indicators {
        bottom: 30px;
    }
}

@media (max-width: 480px) {
    .auth-slider {
        height: 35vh;
        min-height: 250px;
    }

    .slider-content {
        padding: 20px;
    }

    .slide-text h1 {
        font-size: 1.5rem;
    }

    .auth-form-container {
        padding: 30px 20px;
    }

    .form-title {
        font-size: 1.5rem;
    }

    .auth-tabs {
        padding: 4px;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 0.875rem;
    }
}

/* ===================================
   Loading State
   =================================== */
.btn-primary.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn-primary.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-top: -10px;
    margin-left: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }