:root {
    --bg-color: #f7fbff;
    --card-bg: #ffffff;
    --primary-blue: #3269e6;
    --text-dark: #1b2641;
    --text-muted: #6b7a99;
    --text-light: #9ba6b5;
    --input-bg: #f5f7fa;
    --dot-color: #e4ebf5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: radial-gradient(var(--dot-color) 3px, transparent 3px);
    background-size: 50px 50px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    color: var(--text-dark);
}

.signup-container {
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeIn 0.8s ease-in-out;
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.logo-icon {
    background-color: var(--primary-blue);
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    color: white;
    box-shadow: 8px 8px 20px rgba(50, 105, 230, 0.2);
}

.header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.header p {
    font-size: 15px;
    color: var(--text-muted);
}

.form-card {
    background: var(--card-bg);
    width: 100%;
    border-radius: 24px;
    padding: 35px 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.input-wrapper {
    background-color: var(--input-bg);
    border-radius: 14px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    height: 52px;
    border: 1.5px solid transparent;
    transition: all 0.3s ease;
}

.input-wrapper:focus-within {
    border-color: var(--primary-blue);
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(50, 105, 230, 0.1);
}

.input-icon {
    color: var(--text-light);
    margin-right: 12px;
    flex-shrink: 0;
}

.input-wrapper input {
    background: transparent;
    border: none;
    outline: none;
    width: 100%;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
}

.input-wrapper input::placeholder {
    color: var(--text-light);
    font-weight: 400;
}

.toggle-password {
    color: var(--text-light);
    cursor: pointer;
    margin-left: auto;
    padding: 4px;
    transition: color 0.3s;
}

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

.phone-wrapper {
    display: flex;
    gap: 15px;
}

.country-code {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 15px;
}

.terms-row {
    margin-bottom: 20px;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    position: relative;
    padding-left: 30px;
    font-size: 13px;
    color: var(--text-muted);
}

.checkbox-wrapper input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 20px;
    width: 20px;
    background: var(--input-bg);
    border-radius: 6px;
    transition: all 0.3s;
}

.checkbox-wrapper:hover .checkmark {
    box-shadow: 0 0 0 2px rgba(50, 105, 230, 0.2);
}

.checkbox-wrapper input:checked ~ .checkmark {
    background: var(--primary-blue);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-wrapper input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-wrapper a {
    color: var(--primary-blue);
    text-decoration: none;
}

.checkbox-wrapper a:hover {
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
    height: 54px;
    background-color: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    background-color: #2655c2;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(50, 105, 230, 0.3);
}

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

.submit-btn.loading .btn-text {
    opacity: 0;
}

.submit-btn.loading .btn-loader {
    opacity: 1;
}

.btn-loader {
    position: absolute;
    font-size: 18px;
    opacity: 0;
    transition: opacity 0.3s;
}

.divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, #dce3ec, transparent);
}

.divider span {
    padding: 0 16px;
    font-size: 12px;
    color: #a8b5c4;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.social-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.social-btn {
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 14px;
    background: var(--input-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #5a6a7a;
    font-size: 18px;
    transition: all 0.3s ease;
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    color: var(--primary-blue);
}

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

.footer-text {
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
}

.footer-text a {
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
}

.footer-text a:hover {
    text-decoration: underline;
}

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

@media (max-width: 450px) {
    .signup-container {
        max-width: 100%;
    }

    .form-card {
        padding: 25px 20px;
        border-radius: 20px;
    }

    .logo-icon {
        width: 70px;
        height: 70px;
    }

    .header h1 {
        font-size: 24px;
    }
}