:root {
    --sdm-color: #4CAF50;
    --edusosmas-color: #2196F3;
    --kestra-color: #e67e22;
    --medkraf-color: #9b59b6;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --border-color: #e8ecf1;
    --shadow-color: rgba(44, 62, 80, 0.1);
    --container-bg: #ffffff;
    --danger-color: #e74c3c;
    --success-color: #2ecc71;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-image: linear-gradient(120deg, #fdfbfb 0%, #ebedee 100%);
    color: var(--text-primary);
    margin: 0;
    padding: 15px;
    display: flex;
    justify-content: center;
}

.main-container {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    width: 100%;
    max-width: 1200px;
}

.calendar-section, .agenda-section {
    background-color: var(--container-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 7px 25px var(--shadow-color);
    flex-grow: 1;
    animation: fadeIn 0.5s ease-out;
}

.calendar-section {
    flex-basis: 65%;
    min-width: 450px;
}

.agenda-section {
    flex-basis: 30%;
    min-width: 300px;
    display: flex;
    flex-direction: column;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.header h2 {
    margin: 0;
    font-size: 1.6em;
    color: var(--text-primary);
}

button {
    background-color: var(--sdm-color);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}
button:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#prevMonthBtn, #nextMonthBtn {
    padding: 8px 12px;
    font-size: 1.1em;
}

.filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.filter-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9em;
}

.filter-item input {
    margin-right: 8px;
}

.filter-color {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    margin-right: 8px;
    display: inline-block;
}
.sdm-bg { background-color: var(--sdm-color); }
.edusosmas-bg { background-color: var(--edusosmas-color); }
.kestra-bg { background-color: var(--kestra-color); }
.medkraf-bg { background-color: var(--medkraf-color); }

#calendarCanvas {
    width: 100%;
    height: auto;
    aspect-ratio: 1.4 / 1;
    max-height: 500px;
    border-radius: 5px;
    cursor: pointer;
}

#agendaList {
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-y: auto;
    flex-grow: 1;
}
.agenda-group {
    margin-bottom: 20px;
}
.agenda-header {
    padding: 8px 12px;
    color: white;
    border-radius: 6px;
    font-size: 1em;
    margin: 0 0 12px 0;
    font-weight: 600;
}
.agenda-group ul {
    list-style: none;
    padding-left: 5px;
}
#agendaList li {
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    border-left: 5px solid;
    transition: all 0.3s ease;
    position: relative;
}

#agendaList li.highlight {
    background-color: #fffbeB;
    transform: translateX(5px) scale(1.02);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.agenda-content {
    padding-right: 80px; 
}
.proker-date { font-weight: bold; font-size: 0.9em; margin-bottom: 4px; }
.proker-title { font-size: 1.05em; margin-bottom: 5px; font-weight: 600; }
.proker-notes { font-size: 0.85em; color: var(--text-secondary); font-style: italic; }

.agenda-actions {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    display: flex;
    gap: 8px;
}
.action-btn {
    background: none;
    border: 1px solid var(--border-color);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}
.action-btn.edit:hover {
    background-color: #eaf5ff;
    color: var(--sdm-color);
    border-color: var(--sdm-color);
}
.action-btn.delete {
    color: var(--danger-color);
}
.action-btn.delete:hover {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.sdm { border-left-color: var(--sdm-color); }
.edusosmas { border-left-color: var(--edusosmas-color); }
.kestra { border-left-color: var(--kestra-color); }
.medkraf { border-left-color: var(--medkraf-color); }

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
}
.modal-content {
    background-color: var(--container-bg);
    padding: 25px 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    position: relative;
    animation: fadeIn 0.3s ease-out;
}
.close-btn {
    color: #aaa;
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-sizing: border-box;
}
#prokerForm button {
    width: 100%;
    padding: 14px;
    font-size: 1.1em;
    margin-top: 10px;
}

@media (max-width: 900px) {
    .main-container { flex-direction: column; }
    .calendar-section, .agenda-section { flex-basis: 100%; }
    .agenda-section { max-height: 400px; }
}