/* ============================================
   AUTH PAGES (SIGN IN / SIGN UP)
   ============================================ */

.auth-main {
    padding-top: clamp(100px, 12vw, 120px);
    min-height: 100vh;
    background-color: var(--primary-white);
    padding-bottom: clamp(60px, 8vw, 100px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 60px);
}

/* ============================================
   AUTH HEADER
   ============================================ */

.auth-header {
    text-align: center;
    margin-bottom: clamp(40px, 5vw, 50px);
}

.auth-title {
    font-family: var(--font-mono);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 600;
    color: var(--primary-black);
    margin: 0 0 clamp(16px, 2vw, 24px) 0;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.auth-subtitle {
    font-family: var(--font-primary);
    font-size: clamp(14px, 1.8vw, 18px);
    font-weight: 400;
    color: rgba(0, 0, 0, 0.6);
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   AUTH FORM
   ============================================ */

.auth-form {
    display: flex;
    flex-direction: column;
    gap: clamp(20px, 3vw, 28px);
}

.auth-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(16px, 2vw, 24px);
}

@media screen and (max-width: 600px) {
    .auth-form-row {
        grid-template-columns: 1fr;
    }
}

.auth-form-group {
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 1vw, 12px);
}

.auth-form-label {
    font-family: var(--font-mono);
    font-size: clamp(10px, 1.2vw, 12px);
    font-weight: 600;
    color: var(--primary-black);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.auth-form-input {
    font-family: var(--font-primary);
    font-size: clamp(14px, 1.6vw, 16px);
    font-weight: 400;
    color: var(--primary-black);
    background: var(--primary-white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: clamp(6px, 0.8vw, 8px);
    padding: clamp(10px, 1.3vw, 14px) clamp(14px, 1.8vw, 18px);
    transition: all var(--transition-medium);
    outline: none;
    width: 100%;
}

.auth-form-input:focus {
    border-color: rgba(0, 0, 0, 0.3);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.auth-form-hint {
    font-family: var(--font-primary);
    font-size: clamp(11px, 1.3vw, 13px);
    font-weight: 400;
    color: rgba(0, 0, 0, 0.5);
    margin-top: -4px;
}

/* ============================================
   AUTH FORM OPTIONS
   ============================================ */

.auth-form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: clamp(16px, 2vw, 24px);
    flex-wrap: wrap;
}

.auth-checkbox-label {
    display: flex;
    align-items: center;
    gap: clamp(8px, 1vw, 12px);
    font-family: var(--font-primary);
    font-size: clamp(12px, 1.4vw, 14px);
    font-weight: 400;
    color: rgba(0, 0, 0, 0.7);
    cursor: pointer;
    line-height: 1.5;
}

.auth-checkbox {
    width: clamp(16px, 2vw, 18px);
    height: clamp(16px, 2vw, 18px);
    cursor: pointer;
    accent-color: var(--primary-black);
}

.auth-link {
    font-family: var(--font-primary);
    font-size: clamp(12px, 1.4vw, 14px);
    font-weight: 500;
    color: var(--primary-black);
    text-decoration: none;
    transition: all var(--transition-medium);
    border-bottom: 1px solid transparent;
}

.auth-link:hover {
    color: rgba(0, 0, 0, 0.7);
    border-bottom-color: rgba(0, 0, 0, 0.3);
}

.auth-link-inline {
    font-family: var(--font-primary);
    font-size: inherit;
    font-weight: 500;
    color: var(--primary-black);
    text-decoration: underline;
    text-decoration-color: rgba(0, 0, 0, 0.3);
    text-underline-offset: 2px;
    transition: all var(--transition-medium);
}

.auth-link-inline:hover {
    color: rgba(0, 0, 0, 0.7);
    text-decoration-color: rgba(0, 0, 0, 0.5);
}

/* ============================================
   AUTH FORM SUBMIT
   ============================================ */

.auth-form-submit {
    font-family: var(--font-primary);
    font-size: clamp(11px, 1.3vw, 13px);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary-white);
    background: var(--primary-black);
    border: 2px solid var(--primary-black);
    border-radius: 50px;
    padding: clamp(12px, 1.5vw, 16px) clamp(32px, 4vw, 48px);
    cursor: pointer;
    transition: all var(--transition-medium);
    width: 100%;
    margin-top: clamp(8px, 1vw, 12px);
}

.auth-form-submit:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.auth-form-submit:active:not(:disabled) {
    transform: translateY(0);
}

.auth-form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================
   AUTH DIVIDER
   ============================================ */

.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: clamp(16px, 2vw, 24px) 0;
    position: relative;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(0, 0, 0, 0.1);
}

.auth-divider span {
    font-family: var(--font-mono);
    font-size: clamp(10px, 1.2vw, 12px);
    font-weight: 600;
    color: rgba(0, 0, 0, 0.5);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0 clamp(16px, 2vw, 24px);
}

/* ============================================
   AUTH SWITCH
   ============================================ */

.auth-switch {
    text-align: center;
    margin-top: clamp(16px, 2vw, 24px);
}

.auth-switch p {
    font-family: var(--font-primary);
    font-size: clamp(13px, 1.5vw, 15px);
    font-weight: 400;
    color: rgba(0, 0, 0, 0.6);
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media screen and (max-width: 768px) {
    .auth-main {
        padding-top: clamp(80px, 10vw, 100px);
    }
    
    .auth-title {
        font-size: clamp(24px, 5vw, 32px);
    }
    
    .auth-subtitle {
        font-size: clamp(13px, 2vw, 16px);
    }

    .auth-form-options {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .auth-container {
        padding: 0 clamp(16px, 2.5vw, 32px);
    }
    
    .auth-form-section {
        padding: clamp(24px, 3vw, 36px);
    }
}

@media screen and (max-width: 600px) {
    .auth-main {
        padding-top: clamp(70px, 9vw, 90px);
    }
    
    .auth-container {
        padding: 0 clamp(12px, 2vw, 20px);
    }
    
    .auth-form-section {
        padding: clamp(20px, 2.5vw, 28px);
    }
    
    .auth-title {
        font-size: clamp(20px, 3vw, 28px);
    }
    
    .auth-subtitle {
        font-size: clamp(12px, 1.6vw, 15px);
    }
    
    .auth-form-input {
        font-size: clamp(13px, 1.6vw, 15px);
        padding: clamp(10px, 1.3vw, 14px);
    }
    
    .auth-button {
        font-size: clamp(12px, 1.5vw, 14px);
        padding: clamp(12px, 1.6vw, 16px);
    }
}

@media screen and (max-width: 400px) {
    .auth-main {
        padding-top: clamp(60px, 8vw, 80px);
    }
    
    .auth-container {
        padding: 0 clamp(10px, 1.5vw, 16px);
    }
    
    .auth-form-section {
        padding: clamp(16px, 2vw, 24px);
    }
    
    .auth-title {
        font-size: clamp(18px, 2.5vw, 24px);
    }
    
    .auth-form-input {
        font-size: clamp(12px, 1.5vw, 14px);
        padding: clamp(8px, 1.2vw, 12px);
    }
}