/* Reset i podstawowe style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

/* Panel kontener */
.panel {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.panel.hidden {
    display: none;
}

/* Kontener logowania */
.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-container h1 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 2.5em;
    font-weight: 700;
}

.login-container h2 {
    color: #666;
    margin-bottom: 30px;
    font-weight: 400;
}

/* Formularz logowania */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
}

/* Przycisk logowania */
.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

/* Komunikat błędu */
.error-message {
    color: #e74c3c;
    margin-top: 15px;
    padding: 10px;
    background: rgba(231, 76, 60, 0.1);
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
    font-size: 14px;
    display: none;
}

.error-message.show {
    display: block;
}

/* Styl dla głównego panelu */
#mainPanel {
    flex-direction: column;
    align-items: stretch;
    padding: 0;
}

#mainPanel header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

#mainPanel header h1 {
    color: #667eea;
    font-size: 1.8em;
    font-weight: 700;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

#userEmail {
    color: #666;
    font-weight: 500;
}

.logout-btn {
    padding: 8px 20px;
    background: #e74c3c;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: #c0392b;
    transform: translateY(-1px);
}

/* Główna zawartość */
.dashboard {
    flex: 1;
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.stats-container {
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.5em;
}

.stat-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

/* Akcje */
.actions-container h2 {
    color: white;
    margin-bottom: 25px;
    font-size: 1.8em;
    font-weight: 600;
    text-align: center;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.action-btn {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 15px;
    padding: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.action-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    background: white;
}

.action-btn h3 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.2em;
}

.action-btn p {
    color: #666;
    font-size: 0.9em;
}

/* Responsywność */
@media (max-width: 768px) {
    .login-container {
        padding: 30px 20px;
        margin: 20px;
    }

    .login-container h1 {
        font-size: 2em;
    }

    #mainPanel header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .dashboard {
        padding: 20px;
    }

    .action-grid {
        grid-template-columns: 1fr;
    }

    .user-info {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 25px 15px;
    }

    .stat-card {
        padding: 20px;
    }

    .action-btn {
        padding: 20px;
    }
}