*{
    box-sizing:border-box;
}

body{
    margin:0;
    font-family:Arial, Helvetica, sans-serif;
    background:#f4f6f9;
}

.top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;

    padding:15px 20px;
    font-size: 13px;
    background:#1f2937;
    color:#fff;

    box-shadow:0 4px 12px rgba(0,0,0,.15);
}

.logo{
    font-size:24px;
    font-weight:bold;
    white-space:nowrap;
}

.menu{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    justify-content:center;
    flex:1;
}

.menu a,
.logout a{
    text-decoration:none;
    color:#fff;

    padding:10px 16px;
    border-radius:8px;

    transition:.2s;

    background:rgba(255,255,255,.08);
}

.menu a:hover,
.logout a:hover{
    background:#3b82f6;
}

.logout a{
    background:#dc2626;
}

.logout a:hover{
    background:#b91c1c;
}

 
.button {
	box-shadow:inset 0px 1px 0px 0px #54a3f7;
	background:linear-gradient(to bottom, #007dc1 5%, #0061a7 100%);
	background-color:#007dc1;
	border-radius:3px;
	border:1px solid #124d77;
	display:inline-block;
	cursor:pointer;
	color:#ffffff;
	font-family:Arial;
	font-size:13px;
	padding:6px 24px;
	text-decoration:none;
	text-shadow:0px 1px 0px #154682;
}
.alert{
 
 
	background-color:#c62d1f;
	border-radius:3px;
 
	display:inline-block;
	cursor:pointer;
	color:#ffffff;
	font-family:Arial;
	font-size:17px;
	padding:7px 12px;
	text-decoration:none;
	text-shadow:0px 1px 0px #810e05;
}

.login {
    width: 380px;
    max-width: calc(100% - 40px);
    margin: 80px auto;
    padding: 35px;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 15px 40px rgba(0,0,0,.12);
    border: 1px solid #e5e7eb;
}

.login h2 {
    margin: 0 0 30px;
    text-align: center;
    color: #1e3a5f;
    font-size: 28px;
    font-weight: 700;
}

.login form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login input {
    padding: 14px 16px;
    font-size: 16px;
    border: 1px solid #d5dce5;
    border-radius: 10px;
    outline: none;
    transition: .2s;
    box-sizing: border-box;
}

.login input:focus {
    border-color: #2d6cdf;
    box-shadow: 0 0 0 4px rgba(45,108,223,.15);
}

.login button {
    padding: 14px;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, #2d6cdf, #1b4ca5);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: .2s;
}

.login button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(45,108,223,.3);
}

.login button:active {
    transform: translateY(0);
}
/* Przycisk hamburger - domyślnie ukryty */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: rgba(255,255,255,.08);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: .2s;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: #fff;
    border-radius: 2px;
    transition: .25s;
}

.menu-toggle:hover {
    background: #3b82f6;
}

/* Aktywna pozycja hamburgera (X) */
.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: #1f2937;
        box-shadow: 0 4px 12px rgba(0,0,0,.15);
        padding: 10px;
        z-index: 100;
    }

    .menu.active {
        display: flex;
    }

    .menu a {
        width: 100%;
        text-align: center;
        padding: 14px 16px;
        font-size: 15px;
    }

    .top {
        position: relative;
    }
}