/* ========================================
   LOGIN PAGE STYLES
   ======================================== */

/* ==========================================
   DESKTOP STYLES (domyślne, > 576px)
   ========================================== */

/* --- Page Layout (DESKTOP) --- */
.login-page {
    min-height: calc(100vh - 56px); /* 56px = navbar height */
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem 0;  /* DESKTOP: Padding strony */
}

.login-container {
    width: 100%;
    max-width: 450px;  /* DESKTOP: Maksymalna szerokość */
    padding: 0 1rem;
}

/* --- Login Card (DESKTOP) --- */
.login-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    padding: 2.5rem;  /* DESKTOP: Padding karty */
    animation: slideUp 0.5s ease-out;
}

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

/* --- Header (DESKTOP) --- */
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: #2c3e50;
    font-weight: 700;
    font-size: 2rem;  /* DESKTOP: Rozmiar nagłówka */
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #6c757d;
    font-size: 0.95rem;
}

.login-header .logo {
    width: 80px;  /* DESKTOP: Szerokość logo */
    height: 80px;  /* DESKTOP: Wysokość logo */
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;  /* DESKTOP: Rozmiar ikony w logo */
}

/* --- Form Styles (DESKTOP & MOBILE) --- */
.login-form .form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

.login-form .form-control {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
    font-size: 1rem;
    background-color: #ffffff;  /* Białe tło */
    color: #212529;  /* Ciemny, wyraźny kolor tekstu */
}

.login-form .form-control:focus {
    border-color: #667eea;  /* Fioletowe obramowanie na focus */
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    background-color: #ffffff;  /* Białe tło na focus */
    color: #212529;  /* Ciemny tekst na focus */
    outline: none;
}

.login-form .form-control::placeholder {
    color: #adb5bd;  /* Jasnoszary placeholder */
}

/* --- Submit Button (DESKTOP & MOBILE) --- */
.login-form .btn-submit {
    width: 100%;
    padding: 0.875rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.login-form .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

/* --- Remember Me Checkbox (DESKTOP & MOBILE) --- */
.login-form .form-check {
    margin-top: 1rem;
}

.login-form .form-check-label {
    color: #6c757d;
    font-size: 0.9rem;
}

.login-form .form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

/* --- Error Messages (DESKTOP & MOBILE) --- */
.text-danger {
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* --- Footer Links (DESKTOP & MOBILE) --- */
.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e0e0e0;
}

.login-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.login-footer a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* --- Input Icons (DESKTOP ONLY - widoczne ikony) --- */
.input-group-text {
    background-color: #ffffff;  /* Białe tło ikony */
    border: 2px solid #e0e0e0;
    border-right: none;
    color: #667eea;  /* Fioletowa ikona */
    transition: all 0.3s ease;
}

.input-group .form-control {
    border-left: none;  /* DESKTOP: Bez lewego bordera (łączy się z ikoną) */
    background-color: #ffffff;
    color: #212529;
}

.input-group:focus-within .input-group-text {
    border-color: #667eea;  /* Fioletowe obramowanie na focus */
    background-color: #ffffff;
}

.input-group:focus-within .form-control {
    box-shadow: none;
    border-color: #667eea;
    color: #212529;
}


/* ==========================================
   MOBILE STYLES (≤ 576px)
   ========================================== */

@media (max-width: 576px) {
    /* --- Card Layout (MOBILE) --- */
    .login-card {
        padding: 1.5rem;  /* MOBILE: Mniejszy padding karty */
    }
    
    /* --- Header (MOBILE) --- */
    .login-header h1 {
        font-size: 1.5rem;  /* MOBILE: Mniejszy nagłówek */
    }
    
    .login-header .logo {
        width: 60px;  /* MOBILE: Mniejsze logo */
        height: 60px;
        font-size: 1.5rem;  /* MOBILE: Mniejsza ikona w logo */
    }
    
    /* --- Icons (MOBILE) - UKRYTE --- */
    .input-group-text {
        display: none;  /* MOBILE: Ukryj ikony (kłódka, list) */
    }
    
    .input-group .form-control {
        border-left: 2px solid #e0e0e0;  /* MOBILE: Pełne obramowanie (brak ikony z lewej) */
        border-radius: 0.5rem !important;
    }
}