:root {
    --purple-dark: #4527A0;
    --purple-main: #673AB7;
    --purple-light: #B39DDB;
    --purple-bg: #F3E5F5; 
    --purple-bg-light: #F8F5FD;
    
    --white: #ffffff;
    --grey-text: #424242;
    --grey-border: #eee;
    --grey-light-text: #777;
    
    --green-dark: #388E3C;
    --green-bg: #E8F5E9;
    --green-border: #C8E6C9;

    --red-dark: #D32F2F;
    --red-bg: #FFEBEE;
    --red-border: #FFCDD2;

    --yellow-dark: #FFB300;
    --yellow-bg: #FFF8E1;
    --yellow-border: #FFECB3;

    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 6px 16px rgba(0, 0, 0, 0.1);
    --radius-small: 6px;
    --radius-medium: 12px;
}

html {
    height: 100%;
    background-color: var(--white); 
}

body {
    font-family: 'Tahoma', 'Vazirmatn', sans-serif;
    direction: rtl;
    background-color: var(--purple-bg);
    color: var(--grey-text);
    margin: 0;
    padding: 0;
    line-height: 1.7;
    font-size: 16px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh; 
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

main.container {
    flex-grow: 1;
    padding-bottom: 40px; 
}


h1, h2, h3, h4, h5 {
    color: var(--purple-dark);
    font-weight: 600;
    margin-top: 0;
}

main.container h2 {
    text-align: center;
}

.header-box {
    background-color: var(--white);
    padding: 15px 0;
    box-shadow: var(--shadow-medium);
    flex-shrink: 0;
    border-bottom: 2px solid var(--purple-light);
    position: relative;
    z-index: 100;
}

.footer-box {
    text-align: center;
    padding: 20px 0;
    padding-bottom: calc(20px + env(safe-area-inset-bottom)); 
    font-size: 0.9em;
    color: var(--grey-text);
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.03);
    flex-shrink: 0;
    background-color: var(--white);
    border-top: 2px solid var(--purple-light);
    width: 100%;
    z-index: 100;
    margin-top: auto; 
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header-container h1 {
    font-size: 1.8em;
    margin: 0;
}
.header-container nav {
    display: flex;
    gap: 15px;
}
.header-container nav a {
    text-decoration: none;
}
.header-logo a {
    display: block;
    line-height: 0;
}
.header-logo img {
    border-radius: 50%;
    transition: transform 0.3s ease;
}
.header-logo img:hover {
    transform: rotate(15deg);
}

.card {
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-medium);
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--purple-dark);
}

input[type="text"],
input[type="date"],
input[type="time"], 
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--purple-light);
    border-radius: var(--radius-small);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: border-color 0.3s, box-shadow 0.3s;
    box-sizing: border-box; 
    background-color: var(--purple-bg-light);
}

input[type="text"]:focus,
input[type="date"]:focus,
input[type="time"]:focus, 
textarea:focus,
select:focus {
    border-color: var(--purple-main);
    box-shadow: 0 0 0 3px rgba(103, 58, 183, 0.2);
    outline: none;
    background-color: var(--white);
}

textarea {
    resize: vertical;
}

.form-row-flex {
    display: flex;
    gap: 20px;
}
.form-row-flex > div {
    flex: 1;
}

.form-row-flex-inline {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.form-row-flex-inline textarea {
     flex-grow: 1;
}
.form-row-flex-inline button {
    flex-shrink: 0; 
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    font-weight: bold;
    text-align: center;
    border: 2px solid transparent; 
    border-radius: var(--radius-small);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    line-height: 1.5;
    font-size: 0.95em;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.btn-primary, .btn[type="submit"] {
    background-color: var(--purple-main);
    color: var(--white);
}
.btn-primary:hover, .btn[type="submit"]:hover {
    background-color: var(--purple-dark);
    box-shadow: 0 4px 10px rgba(70, 0, 150, 0.2);
}

.btn-nav-primary {
    background-color: var(--purple-main);
    color: var(--white);
}
.btn-nav-primary:hover {
    background-color: var(--purple-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(70, 0, 150, 0.2);
}

.btn-nav {
    background-color: var(--purple-bg-light);
    color: var(--purple-dark);
    border-color: var(--purple-light);
}
.btn-nav:hover {
    background-color: var(--purple-bg);
    border-color: var(--purple-main);
    color: var(--purple-dark);
}

.btn-edit {
    background-color: var(--yellow-bg);
    color: #8D6E63;
    border-color: var(--yellow-border);
}
.btn-edit:hover {
    background-color: var(--yellow-dark);
    border-color: var(--yellow-dark);
    color: var(--grey-text);
}

.btn-delete {
    background-color: var(--red-bg);
    color: var(--red-dark);
    border-color: var(--red-border);
}
.btn-delete:hover {
    background-color: var(--red-dark);
    color: var(--white);
    border-color: var(--red-dark);
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.85em;
    margin-left: 10px;
}

.success-message {
    background-color: var(--green-bg);
    color: var(--green-dark);
    padding: 15px;
    border-radius: var(--radius-small);
    margin-bottom: 20px;
    border: 1px solid var(--green-border);
}

.error-message {
    background-color: var(--red-bg);
    color: var(--red-dark);
    padding: 15px;
    border-radius: var(--radius-small);
    margin-bottom: 20px;
    border: 1px solid var(--red-border);
}

.meeting-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    margin-bottom: 12px;
    border: 1px solid var(--grey-border);
    border-radius: var(--radius-medium);
    background-color: var(--white);
    transition: box-shadow 0.3s, transform 0.2s, border-color 0.3s;
}
.meeting-list-item:hover {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: var(--purple-light);
}

.meeting-title {
    font-size: 1.3em;
    font-weight: bold;
}
.meeting-title a {
    color: var(--purple-dark);
    text-decoration: none;
}
.meeting-date {
    color: var(--grey-light-text);
    font-size: 0.9em;
    margin-right: 15px;
}
.meeting-actions {
    display: flex;
    gap: 10px;
}
.meeting-actions a, .meeting-actions form {
    margin-left: 0;
}

.meeting-meta-data {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
    color: var(--grey-light-text);
}
.meeting-meta-data span {
    font-size: 0.95em;
}
.meeting-meta-data strong {
    color: var(--grey-text);
}

.meeting-actions-view {
    text-align: center;
    margin-top: 20px; 
}
.task-box {
    border: 1px solid var(--purple-light);
    border-radius: var(--radius-medium);
    padding: 20px;
    margin-bottom: 20px;
    background-color: var(--purple-bg-light);
    position: relative;
    box-shadow: var(--shadow-light);
}

.task-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--purple-light);
}

.task-status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: bold;
    color: var(--white);
    display: inline-block;
    margin-bottom: 15px;
}

.status-pending { background-color: #FF9800; } 
.status-progress { background-color: var(--purple-main); }
.status-completed { background-color: var(--green-dark); }

.task-notes-container {
    margin-top: 15px;
    padding-top: 10px;
    border-top: 1px dashed var(--purple-light);
}

.note-item {
    background-color: var(--white);
    padding: 10px;
    margin-bottom: 8px;
    border-radius: var(--radius-small);
    font-size: 0.9em;
    border-right: 3px solid var(--purple-light);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.note-meta {
    font-size: 0.8em;
    color: var(--grey-light-text);
    display: block;
    margin-top: 5px;
}

.new-note-box {
    border: 1px dashed var(--purple-light);
    padding: 15px;
    border-radius: var(--radius-small);
    background-color: var(--white);
}
.new-note-box label {
    font-size: 0.9em;
    color: var(--purple-main);
}
.new-note-footer {
    text-align: left;
    margin-top: 10px;
}

.note-delete-action {
    flex-shrink: 0;
    margin-right: 15px;
}
.note-delete-checkbox {

    display: none;
}
.note-delete-checkbox + label {

    padding: 3px 10px;
    font-size: 0.8em;
    margin-left: 0; 
}
.note-delete-checkbox:checked + label {
    background-color: var(--red-dark);
    color: var(--white);
    border-color: var(--red-dark);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}


.note-item-edit {
    background-color: #fdfbff;
    border: 1px dashed var(--purple-light);
    padding: 10px 15px;
    margin-bottom: 10px;
    border-radius: var(--radius-small);
}
.note-item-edit label {
    font-size: 0.9em;
    color: var(--grey-light-text);
}
.note-item-edit textarea {
    background-color: var(--white);
}
.note-item-edit .note-edit-actions {
    text-align: left;
    margin-top: 5px;
}
.note-item-edit .note-edit-actions label {
    font-size: 0.9em;
    color: var(--red-dark);
    cursor: pointer;
}
.note-item-edit .note-edit-actions input[type="checkbox"] {
    vertical-align: middle;
    margin-left: 5px;
}

.attachment-list a {
    display: inline-block;
    max-width: 40ch;  
    white-space: nowrap;  
    overflow: hidden;     
    text-overflow: ellipsis;
    vertical-align: bottom;  
    text-decoration: none;
}

.tab-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    border: 2px solid var(--purple-light);
    border-radius: 25px;
    background-color: var(--white);
    color: var(--purple-dark);
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    font-family: inherit;
    font-size: 0.95em;
}

.tab-btn:hover {
    background-color: var(--purple-bg-light);
    border-color: var(--purple-main);
}

.tab-btn.active {
    background-color: var(--purple-main);
    color: var(--white);
    border-color: var(--purple-main);
    box-shadow: 0 4px 10px rgba(103, 58, 183, 0.3);
}

.global-search-wrapper {
    background-color: var(--white);
    padding: 10px 20px;
    padding-bottom: 25px; 
    margin-bottom: 30px; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    position: relative;
    z-index: 90;
    border-bottom: 1px solid var(--purple-bg);
}
.search-input-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}
.search-input-container input {
    padding-right: 40px;
    border-radius: 30px;
    background-color: var(--purple-bg-light);
    border: 1px solid var(--purple-light);
    transition: all 0.3s ease;
}
.search-input-container input:focus {
    background-color: var(--white);
    box-shadow: 0 2px 8px rgba(103, 58, 183, 0.15);
    border-color: var(--purple-main);
}
.search-icon-static {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--purple-main);
    pointer-events: none;
}

#global-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--purple-light);
    border-radius: 0 0 15px 15px;
    margin-top: 5px;
    max-height: 350px;
    overflow-y: auto;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    display: none; 
    z-index: 1000;
}

.search-result-item {
    display: block;
    padding: 12px 15px;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: var(--grey-text);
    transition: background 0.2s;
}
.search-result-item:last-child {
    border-bottom: none;
}
.search-result-item:hover {
    background-color: var(--purple-bg-light);
}
.search-result-title {
    font-weight: bold;
    color: var(--purple-dark);
    display: block;
    font-size: 1em;
}
.search-result-meta {
    font-size: 0.85em;
    color: #888;
    margin-top: 3px;
    display: block;
}
.search-match-snippet {
    font-size: 0.85em;
    color: #555;
    background-color: #fff8e1;
    padding: 2px 5px;
    border-radius: 4px;
    margin-top: 5px;
    display: inline-block;
}

.loader {
    text-align: center;
    padding: 20px;
    color: var(--purple-main);
    font-weight: bold;
    display: none;
}


@media (max-width: 768px) {
    .container {
        padding: 0 15px; 
    }
    .header-container {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    .header-container h1 {
        margin: 0;
        font-size: 1.5em;
    }
    .header-box nav {
        margin-top: 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .meeting-list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    .meeting-actions {
        margin-top: 0;
        width: 100%;
        display: flex;
        justify-content: flex-start;
        gap: 10px;
    }
    .meeting-actions a, .meeting-actions form {
        margin-left: 0;
        flex-grow: 1; 
    }
    .meeting-actions .btn {
        width: 100%;
        box-sizing: border-box; 
    }

    .form-row-flex {
        flex-direction: column;
        gap: 0; 
    }

    .form-row-flex > div .form-group {
        margin-bottom: 20px;
    }

    .form-row-flex-inline {
        flex-direction: column;
        align-items: stretch; 
    }
    .form-row-flex-inline textarea {
        width: 100%;
        box-sizing: border-box;
    }
    .form-row-flex-inline button {
        width: 100%;
        box-sizing: border-box;
    }
    
    .task-box-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .note-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .attachment-list a {
        max-width: 200px; 
    }
}