:root[data-theme="dark"] {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --main-color: var(--main-color);
    --border: var(--card-border);
    --button-back: rgba(16, 16, 16, 0.85);
    --error-color: var(--main-color);
    --success-color: #2ed573;
}

:root[data-theme="light"] {
    --bg-primary: #FFF8F0;
    --bg-secondary: #FFEDE0;
    --text-primary: #000000;
    --text-secondary: rgba(0, 0, 0, 0.7);
    --text-tertiary: rgba(0, 0, 0, 0.5);
    --main-color: var(--main-color);
    --border: rgba(var(--main-color-rgb), 0.3);
    --button-back: rgba(255, 255, 255, 0.8);
    --error-color: var(--main-color);
    --success-color: #2ed573;
}

:root {
    --text-color: var(--text-primary);
    --ot-color: var(--text-tertiary);
}

* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    box-sizing: border-box;
    list-style: none;
    scroll-behavior: smooth;
}

body {
    background: var(--bg-primary);
    overflow-x: hidden;
    transition: background 0.3s ease;
}

.signup-section {
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 40px;
    position: relative;
    overflow: hidden;
}

/* текст который на фоне */
.signup-section::before {
    content: none;
}

.signup-bg-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 200px;
    font-family: 'semi';
    color: rgba(var(--main-color-rgb), 0.03);
    z-index: -1;
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
}

:root[data-theme="light"] .signup-bg-text {
    color: rgba(var(--main-color-rgb), 0.05);
}

.signup-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.signup-form {
    background: var(--button-back);
    border: 1px solid var(--border);
    border-radius: 25px;
    padding: 35px;
    backdrop-filter: blur(5px);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h1 {
    color: var(--ot-color);
    font-family: 'semi';
    font-size: 24px;
    margin: 0 0 10px 0;
}

.form-header h1 span {
    color: var(--main-color);
}

.form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.input-group {
    position: relative;
}

.input-group label {
    display: block;
    color: var(--text-color);
    font-family: 'medium';
    font-size: 18px;
    margin-bottom: 8px;
}

.input-group input {
    width: 100%;
    padding: 15px 50px 15px 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-color);
    font-family: 'medium';
    font-size: 16px;
    transition: border-color 0.3s ease, background 0.3s ease;
    box-sizing: border-box;
}

.input-group input:focus {
    outline: none;
    border-color: var(--main-color);
    background: var(--bg-secondary);
}

.input-group input::placeholder {
    color: var(--ot-color);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--main-color);
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-group label {
    color: var(--ot-color);
    font-family: 'medium';
    font-size: 14px;
    line-height: 1.4;
    cursor: pointer;
    margin: 0;
}

.link {
    color: var(--main-color);
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: var(--main-color);
    color: white;
    border: 1px solid var(--primary-light);
    border-radius: 13px;
    font-family: 'medium';
    font-size: 18px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-btn:hover {
    background: var(--primary-dark);
    border-color: var(--main-color);
}

.form-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid var(--border);
}

.form-footer p {
    color: var(--ot-color);
    font-family: 'medium';
    font-size: 14px;
    margin: 0;
}



@media (max-width: 550px) {
    .signup-form {
        padding: 30px;
    }
}

@media (max-width: 600px) {
    
}