/* ==========================================================================
   LOGIN PAGE STYLES (English Comments Included)
   ========================================================================== */

/* 1. Global Page Reset and Background Setup */
body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); /* Slate dark premium theme */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: #334155;
}

/* 2. Main Login Container & Wrapper */
.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

/* 3. White Form Box Wrapper */
.login-box {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* 4. Branding Typography */
.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo h2 {
    margin: 0;
    font-size: 28px;
    color: #0f172a;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.login-logo p {
    margin: 5px 0 0 0;
    font-size: 14px;
    color: #64748b;
}

/* 5. Input Fields Styling and Layout */
.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: #475569;
}

.form-group input {
    padding: 12px 16px;
    font-size: 15px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    outline: none;
    transition: all 0.3s ease;
}

/* Add dynamic blue border shadow on input focus */
.form-group input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 6. Primary Action Button */
.login-btn {
    width: 100%;
    padding: 12px;
    background-color: #3b82f6; /* Modern primary blue color */
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 10px;
}

/* Button transition on hover state */
.login-btn:hover {
    background-color: #2563eb;
}