:root {
    --primary: #6d28d9;
    --primary-light: #ede9fe;
    --primary-dark: #5b21b6;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #f9fafb;
    --border: #e5e7eb;
    --error: #ef4444;
    --radius: 12px;
    --transition: all 0.2s ease;
}

* {
    box-sizing: border-box;
    font-family: 'Yekan Bakh', sans-serif;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    line-height: 1.6;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: white;
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border);
    text-align: center;
}

.login-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary);
    font-size: 1.5rem;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.login-subtitle {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.9rem 3rem 0.9rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 1rem;
    background-color: white;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 1.1rem;
}

.form-group input:focus + i {
    color: var(--primary);
}

.error-message {
    color: var(--error);
    font-size: 0.85rem;
    text-align: right;
    display: block;
}

.login-btn {
    background-color: var(--primary);
    color: white;
    padding: 0.9rem;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius);
    width: 100%;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    margin-top: 0.5rem;
}

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

.login-btn:active {
    transform: scale(0.98);
}

@media (max-width: 480px) {
    body{
        padding: 0!important;
        background: transparent;
    }

    .login-box {
        padding: 2rem 1.5rem;
        box-shadow: none;
        border: none;
    }

    .login-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }

    .login-title {
        font-size: 1.3rem;
    }

    .login-subtitle {
        font-size: 0.85rem;
    }

    .form-group input {
        padding: 0.8rem 2.8rem 0.8rem 1rem;
    }
}

@media (max-width: 360px) {
    .login-box {
        padding: 1.5rem 1rem;
    }

    .form-group input {
        font-size: 0.95rem;
    }
}