/* ==========================================================================
   GLOBALNE USTAWIENIA I RESET
   ========================================================================== */
:root {
    --bg-color: #f4f6f9;
    --card-bg: #ffffff;
    --text-main: #2c3e50;
    --text-muted: #7f8c8d;
    --primary: #1e3d59;       /* Głęboki, elegancki granat */
    --primary-hover: #17b978; /* Nowoczesna zieleń akcentowa */
    --border-color: #e2e8f0;
    --error-color: #e74c3c;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --transition: all 0.25s ease-in-out;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ==========================================================================
   EKRAN LOGOWANIA
   ========================================================================== */
#login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3d59 0%, #17b978 100%);
    padding: 20px;
}

.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.logo-space {
    margin-bottom: 25px;
}

.logo-space img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0px 2px 4px rgba(0,0,0,0.05));
}

.login-box h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--primary);
    letter-spacing: 0.5px;
}

.form-group {
    text-align: left;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
    letter-spacing: 1px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-main);
    background-color: #fafafa;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-hover);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(23, 185, 120, 0.1);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background-color: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 1px;
    transition: var(--transition);
    margin-top: 10px;
}

.btn-login:hover {
    background-color: #152b3f;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.error-message {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--error-color);
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid rgba(231, 76, 60, 0.2);
}

/* ==========================================================================
   WSPÓLNY HEADER (PASEK UŻYTKOWNIKA I MENU)
   ========================================================================== */
.user-bar {
    background-color: #1e293b; /* Bardzo ciemny grafit */
    color: #e2e8f0;
    padding: 10px 40px;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.user-bar strong {
    color: var(--primary-hover);
}

.user-bar a {
    color: #94a3b8;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.user-bar a:hover {
    color: var(--error-color);
}

/* Główne Menu */
.menu_glowne {
    background-color: var(--primary);
    padding: 0 40px;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    box-shadow: var(--shadow);
}

.menu_glowne li {
    margin-right: 5px;
}

.menu_glowne li a {
    display: block;
    padding: 18px 24px;
    color: #e2e8f0;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    position: relative;
}

.menu_glowne li a:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.05);
}

/* Akcent pod aktywnym modułem (jeśli dopiszesz klasę active) */
.menu_glowne li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary-hover);
    transition: var(--transition);
}

.menu_glowne li a:hover::after {
    width: 100%;
}

.hr {
    height: 1px;
    background-color: var(--border-color);
    margin-bottom: 30px;
}

/* ==========================================================================
   DASHBOARD (PULPIT GŁÓWNY HUB-A)
   ========================================================================== */
.dashboard-container {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 40px;
}

.welcome-box {
    margin-bottom: 40px;
}

.welcome-box h1 {
    font-size: 2.2rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 10px;
}

.welcome-box p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Siatka kafelków */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.module-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary);
    transition: var(--transition);
}

.module-card:hover::before {
    background-color: var(--primary-hover);
}

.module-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px -3px rgba(0, 0, 0, 0.08);
    border-color: rgba(23, 185, 120, 0.3);
}

.module-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.module-card h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 600;
}

.module-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: