/* ========================================
   Global Styles & Variables
   ======================================== */
:root {
    /* Colors - index.html ile %100 uyumlu (rgb değerlerinden dönüştürüldü) */
    --primary-color: #F0B90B;      /* rgb(240, 185, 11) */
    --primary-hover: #FCD535;
    --primary-dark: #C99C0A;
    --secondary-color: #181A20;    /* rgb(24, 26, 32) - Header Bg */
    --background-dark: #0B0E11;    /* rgb(11, 14, 17) - Body Bg */
    --background-light: #1E2329;
    --card-bg: #1E2329;
    --border-color: #2B3139;       /* rgb(43, 49, 57) - Header Border */
    --text-primary: #EAECEF;       /* rgb(234, 236, 239) */
    --text-secondary: #848E9C;
    --text-muted: #5E6673;
    --success-color: #0ECB81;
    --error-color: #F6465D;
    --warning-color: #F0B90B;
    --info-color: #3772FF;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

button {
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition-base);
}

input, select, textarea {
    font-family: inherit;
    outline: none;
}

/* ========================================
   Auth Body Layout
   ======================================== */
.auth-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--background-dark);
}

/* ========================================
   Header
   ======================================== */
.auth-header {
    background-color: var(--secondary-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.auth-header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition-base);
}

.auth-logo i {
    color: var(--primary-color);
    font-size: 1.75rem;
}

.auth-logo:hover {
    opacity: 0.8;
}

.auth-header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.language-selector-auth {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 0.9rem;
}

.language-selector-auth:hover {
    border-color: var(--primary-color);
}

.btn-text-link {
    color: var(--primary-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.btn-text-link:hover {
    background-color: rgba(240, 185, 11, 0.1);
}

/* ========================================
   Main Content
   ======================================== */
.auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--background-dark);
}

.auth-container {
    max-width: 1000px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background-color: var(--background-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.auth-container-single {
    max-width: 480px;
    grid-template-columns: 1fr;
}

/* ========================================
   Form Section
   ======================================== */
.auth-form-section,
.auth-form-section-center {
    padding: var(--spacing-xl);
}

.auth-form-wrapper {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.auth-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.auth-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Tabs
   ======================================== */
.auth-tabs {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.auth-tab {
    padding: 0.75rem 0;
    background-color: transparent;
    color: var(--text-secondary);
    border-radius: 0;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-base);
    border-bottom: 2px solid transparent;
}

.auth-tab:hover {
    color: var(--text-primary);
}

.auth-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* ========================================
   Form Elements
   ======================================== */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 400;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-input:focus {
    border-color: var(--primary-color);
}

.form-input::placeholder {
    color: var(--text-muted);
}

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

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    pointer-events: none;
}

.input-wrapper .form-input {
    padding-left: 2.75rem;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    background: none;
    color: var(--text-muted);
    padding: 0.5rem;
    transition: var(--transition-base);
}

.password-toggle:hover {
    color: var(--text-primary);
}

/* Phone Input */
.phone-input-group {
    display: flex;
    gap: var(--spacing-xs);
}

.country-code-select {
    width: 100px;
    padding: 0.75rem 0.5rem;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-base);
}

.country-code-select:focus {
    border-color: var(--primary-color);
}

/* Input with Button */
.input-wrapper-with-button {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-send-code {
    padding: 0.75rem 1rem;
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition-base);
    font-size: 0.9rem;
}

.btn-send-code:hover {
    border-color: var(--primary-color);
}

/* Password Strength */
.password-strength {
    margin-top: var(--spacing-xs);
}

.strength-bar {
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.strength-fill {
    height: 100%;
    width: 0;
    transition: var(--transition-base);
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 16px;
    height: 16px;
    min-width: 16px;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    color: var(--secondary-color);
    font-size: 0.7rem;
    font-weight: 700;
}

/* Form Row */
.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-md) 0;
}

.link-primary {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.link-primary:hover {
    text-decoration: underline;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 1rem 2rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-social {
    flex: 1;
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-weight: 500;
}

.btn-social:hover {
    background-color: var(--background-light);
    border-color: var(--text-muted);
}

.social-login {
    display: flex;
    gap: var(--spacing-md);
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-muted);
    margin: var(--spacing-md) 0;
}

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

.divider span {
    padding: 0 1rem;
    font-size: 0.9rem;
}

/* ========================================
   Security Verification
   ======================================== */
.security-verification {
    margin: var(--spacing-md) 0;
}

.security-box {
    background-color: var(--background-light);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.security-slider {
    position: relative;
    height: 40px;
    background-color: var(--background-dark);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.slider-track {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
}

.slider-button {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    cursor: grab;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.slider-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    pointer-events: none;
    z-index: 1;
}

/* ========================================
   Info Section
   ======================================== */
.auth-info-section {
    background-color: var(--secondary-color);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-info-content {
    max-width: 400px;
}

.info-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.auth-info-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.auth-info-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.features-list-auth {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-item i {
    color: var(--success-color);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.feature-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.feature-item p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.stats-mini {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.stat-mini h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-mini p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ========================================
   Footer
   ======================================== */
.auth-footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
    background-color: var(--secondary-color);
}

.auth-footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 992px) {
    .auth-container {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .auth-info-section {
        display: none;
    }
}

@media (max-width: 576px) {
    .auth-header-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .auth-form-section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
    
    .auth-footer-container {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/* ========================================
   Step Indicator (Forgot Password)
   ======================================== */
.step-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--background-light);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.step.active .step-number {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--secondary-color);
}

.step.completed .step-number {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: var(--secondary-color);
}

.step.completed .step-number::after {
    content: '✓';
    position: absolute;
    font-size: 1.2rem;
}

.step-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-align: center;
}

.step.active .step-label {
    color: var(--primary-color);
}

.step-line {
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background-color: var(--border-color);
    z-index: -1;
}

.step:first-child .step-line {
    display: none;
}

.step.completed ~ .step .step-line {
    background-color: var(--success-color);
}

/* Step Content */
.step-content {
    display: none;
    animation: fadeIn var(--transition-base);
}

.step-content.active {
    display: block;
}

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

.step-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

/* Code Input Grid */
.code-input-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-xs);
    margin: var(--spacing-lg) 0;
}

.code-input {
    width: 100%;
    padding: 0.75rem;
    background-color: transparent;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1.5rem;
    text-align: center;
    font-weight: 600;
    transition: var(--transition-base);
}

.code-input:focus {
    border-color: var(--primary-color);
}

.code-input.filled {
    border-color: var(--primary-color);
    background-color: rgba(240, 185, 11, 0.05);
}

/* Success Message */
.success-message {
    background-color: rgba(14, 203, 129, 0.1);
    border: 1px solid var(--success-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    display: none;
    align-items: center;
    gap: var(--spacing-md);
}

.success-message.show {
    display: flex;
}

.success-message i {
    color: var(--success-color);
    font-size: 1.5rem;
}

.success-message-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* Error Message */
.error-message {
    background-color: rgba(246, 70, 93, 0.1);
    border: 1px solid var(--error-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    display: none;
    align-items: center;
    gap: var(--spacing-md);
}

.error-message.show {
    display: flex;
}

.error-message i {
    color: var(--error-color);
    font-size: 1.5rem;
}

.error-message-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* Resend Code Link */
.resend-code-wrapper {
    text-align: center;
    margin: var(--spacing-lg) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.resend-code-link {
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.resend-code-link:hover {
    text-decoration: underline;
}

.resend-code-link.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.5;
}

/* Back Button */
.btn-back {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-back:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
}

/* Password Requirements */
.password-requirements {
    background-color: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.requirement-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.requirement-item:last-child {
    margin-bottom: 0;
}

.requirement-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--border-color);
    color: var(--text-muted);
    font-size: 0.7rem;
}

.requirement-item.met .requirement-icon {
    background-color: var(--success-color);
    color: var(--secondary-color);
}

/* Responsive for Step Indicator */
@media (max-width: 576px) {
    .step-indicator {
        padding: var(--spacing-md) 0;
        margin-bottom: var(--spacing-lg);
    }
    
    .step-number {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .step-label {
        font-size: 0.75rem;
    }
    
    .code-input-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
    
    .code-input {
        font-size: 1.2rem;
        padding: 0.6rem;
    }
}