/* ========================================
   SIGNUP PAGE STYLES - YourWebAgent
   Matches Landing Page Design System
   ======================================== */

/* ========================================
   1. CSS CUSTOM PROPERTIES (VARIABLES)
   ======================================== */
:root {
    /* Color Palette - Matching Landing Page */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --accent-cyan: #00D9FF;
    --accent-cyan-hover: #00c4e6;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-subtle: rgba(255, 255, 255, 0.1);

    /* Form-specific colors */
    --input-bg: #0d1a1d;
    --input-border: rgba(255, 255, 255, 0.1);
    --input-focus-ring: rgba(0, 217, 255, 0.5);
    --error-red: #EF4444;
    --success-green: #10B981;
    --warning-yellow: #F59E0B;

    /* Gradients */
    --gradient-cyan: linear-gradient(135deg, #00D9FF 0%, #00a8cc 100%);
    --gradient-background: radial-gradient(circle at 50% 0%, rgba(0, 217, 255, 0.1) 0%, transparent 50%);

    /* Glow Effects */
    --glow-cyan: 0 0 20px rgba(0, 217, 255, 0.3), 0 0 40px rgba(0, 217, 255, 0.1);
    --glow-cyan-hover: 0 0 30px rgba(0, 217, 255, 0.5), 0 0 60px rgba(0, 217, 255, 0.2);
    --glow-card: 0 8px 32px rgba(0, 0, 0, 0.4);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    /* 12px */
    --font-size-sm: 0.875rem;
    /* 14px */
    --font-size-base: 1rem;
    /* 16px */
    --font-size-lg: 1.125rem;
    /* 18px */
    --font-size-xl: 1.25rem;
    /* 20px */
    --font-size-2xl: 1.5rem;
    /* 24px */
    --font-size-3xl: 2rem;
    /* 32px */
    --font-size-4xl: 2.5rem;
    /* 40px */
    --font-size-5xl: 3rem;
    /* 48px */

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --container-max-width: 1400px;
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   2. RESET / BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    background-image: var(--gradient-background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Background Grid Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ========================================
   3. LAYOUT
   ======================================== */
.signup-page {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Background Glow Effect */
.signup-page::after {
    content: '';
    position: fixed;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--accent-cyan);
    opacity: 0.1;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: -1;
}

/* ========================================
   4. HEADER
   ======================================== */
.signup-header {
    position: relative;
    z-index: 50;
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.signup-header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.signup-header__logo:hover .signup-header__logo-icon {
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.5);
}

.signup-header__logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-sm);
    background: var(--gradient-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: 700;
    font-size: var(--font-size-xl);
    transition: all var(--transition-base);
}

.signup-header__logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.signup-header__auth {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.signup-header__auth-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.signup-header__auth-link {
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.signup-header__auth-link:hover {
    color: var(--accent-cyan);
}

/* ========================================
   5. MAIN CONTENT
   ======================================== */
.signup-main {
    position: relative;
    z-index: 10;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.signup-content {
    max-width: var(--container-max-width);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

/* ========================================
   6. BENEFITS SECTION (LEFT COLUMN)
   ======================================== */
.signup-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.signup-benefits__heading {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.signup-benefits__title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
}

.signup-benefits__title-accent {
    color: var(--accent-cyan);
}

.signup-benefits__subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 28rem;
    font-weight: 300;
}

.signup-benefits__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.signup-benefits__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    color: var(--text-primary);
}

.signup-benefits__item-icon {
    color: var(--accent-cyan);
    font-size: var(--font-size-2xl);
}

/* ========================================
   7. TESTIMONIAL CARD
   ======================================== */
.testimonial-card {
    background: rgba(26, 26, 26, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-left: 4px solid var(--accent-cyan);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    max-width: 28rem;
}

.testimonial-card__stars {
    display: flex;
    gap: 2px;
    color: #FFD700;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.testimonial-card__quote {
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.testimonial-card__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
}

.testimonial-card__author-name {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-primary);
}

.testimonial-card__author-title {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   8. FORM WRAPPER (RIGHT COLUMN)
   ======================================== */
.signup-form-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.signup-form-wrapper {
    width: 100%;
    max-width: 28rem;
    background: rgba(26, 26, 26, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--glow-cyan);
    position: relative;
    overflow: hidden;
}

/* Subtle glow accent */
.signup-form-wrapper::before {
    content: '';
    position: absolute;
    top: -6rem;
    right: -6rem;
    width: 12rem;
    height: 12rem;
    background: var(--accent-cyan);
    opacity: 0.05;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

.signup-form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 10;
}

.signup-form-header__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.signup-form-header__subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ========================================
   9. FORM ELEMENTS
   ======================================== */
.signup-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: relative;
    z-index: 10;
}

/* Input Group with Floating Labels */
.input-group {
    position: relative;
}

.input-group__input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    padding-top: var(--spacing-lg);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    outline: none;
}

.input-group__input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px var(--input-focus-ring);
}

.input-group__label {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    pointer-events: none;
    transition: all var(--transition-fast);
    background: transparent;
}

.input-group__input:focus~.input-group__label,
.input-group__input:not(:placeholder-shown)~.input-group__label {
    top: -0.5rem;
    left: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--accent-cyan);
    background: var(--input-bg);
    padding: 0 0.25rem;
}

/* ========================================
   10. PASSWORD STRENGTH INDICATOR
   ======================================== */
.password-strength {
    margin-top: var(--spacing-xs);
    padding: 0 var(--spacing-xs);
}

.password-strength__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.password-strength__label {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.password-strength__status {
    font-size: 10px;
    color: var(--accent-cyan);
    font-weight: 700;
}

.password-strength__bars {
    display: flex;
    gap: 2px;
}

.password-strength__bar {
    height: 4px;
    flex: 1;
    background: var(--border-subtle);
    border-radius: 100px;
}

.password-strength__bar--active {
    background: var(--accent-cyan);
}

/* ========================================
   11. SUBMIT BUTTON
   ======================================== */
.signup-form__submit {
    width: 100%;
    background: var(--gradient-cyan);
    color: var(--bg-primary);
    font-weight: 700;
    font-size: var(--font-size-base);
    padding: var(--spacing-md) 0;
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.3);
    transition: all var(--transition-base);
}

.signup-form__submit:hover {
    background: var(--text-primary);
    box-shadow: 0 0 25px rgba(0, 217, 255, 0.5);
    transform: translateY(-2px);
}

.signup-form__submit-icon {
    font-size: var(--font-size-sm);
}

/* ========================================
   12. SOCIAL LOGIN
   ======================================== */
.social-login {
    margin-top: var(--spacing-xl);
    position: relative;
    z-index: 10;
}

.social-login__divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.social-login__divider-line {
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.social-login__divider-text {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.social-login__buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.social-login__button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.social-login__button:hover {
    background: rgba(255, 255, 255, 0.1);
}

.social-login__button-icon {
    width: 20px;
    height: 20px;
}

/* ========================================
   13. TERMS
   ======================================== */
.signup-terms {
    margin-top: var(--spacing-xl);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    max-width: 28rem;
}

.signup-terms__link {
    color: var(--text-secondary);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.signup-terms__link:hover {
    color: var(--accent-cyan);
}

/* ========================================
   14. FOOTER
   ======================================== */
.signup-footer {
    position: relative;
    z-index: 10;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.signup-footer__text {
    font-size: 10px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

/* ========================================
   15. RESPONSIVE MEDIA QUERIES
   ======================================== */

/* Tablet and below (1024px) */
@media (max-width: 1024px) {
    .signup-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .signup-benefits {
        display: none;
    }

    .signup-main {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
}

/* Tablet (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
    .signup-header {
        padding: var(--spacing-lg);
    }
}

/* Mobile (below 768px) */
@media (max-width: 768px) {
    .signup-header {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .signup-header__logo-icon {
        width: 36px;
        height: 36px;
        font-size: var(--font-size-lg);
    }

    .signup-header__logo-text {
        font-size: var(--font-size-lg);
    }

    .signup-header__auth-text {
        display: none;
    }

    .signup-main {
        padding: var(--spacing-lg);
    }

    .signup-form-wrapper {
        padding: var(--spacing-lg);
    }
}

/* Small Mobile (below 480px) */
@media (max-width: 480px) {
    .signup-header__logo-text {
        display: none;
    }

    .testimonial-card {
        max-width: 100%;
    }
}