/* ==================== COMMON CSS - Keep4Life ==================== */

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #f8f9fa;
    color: #212529;
    padding: 20px;
    font-size: 14px;
    line-height: 1.5;
    letter-spacing: 0.01em;
}

/* ===== Common Button Styles ===== */
.btn {
    padding: 10px 20px;
    border: 2px solid #e2e8f0;
    background: white;
    cursor: pointer;
    min-width: 80px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
    color: #2d3748;
    display: inline-block;
    border-radius: 8px;
}

.btn:hover {
    background: #f7fafc;
    border-color: #cbd5e0;
    transform: translateY(-1px);
}

.btn-primary {
    background: #4299e1;
    border-color: #4299e1;
    color: white;
}

.btn-primary:hover {
    background: #3182ce;
    border-color: #3182ce;
}

.language-toggle {
    padding: 10px 20px;
    border: 2px solid #e2e8f0;
    background: white;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    min-width: 70px;
    text-align: center;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.language-toggle:hover {
    background: #f7fafc;
    border-color: #cbd5e0;
    transform: translateY(-1px);
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: #4299e1;
    color: white;
    border: 2px solid #4299e1;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    background: #3182ce;
    border-color: #3182ce;
}

/* ===== Header Styles ===== */
.header {
    margin-bottom: 32px;
    background: white;
    padding: 24px 32px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.greeting, .title {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 0;
    color: #1a202c;
}

.subtitle, .user-desc {
    font-size: 14px;
    color: #718096;
    font-weight: normal;
}

/* ===== Top Actions ===== */
.top-actions {
    position: absolute;
    top: 32px;
    right: 32px;
    display: flex;
    gap: 12px;
    align-items: center;
    overflow: visible;
}

/* ===== Form Styles ===== */
.form-group {
    margin-bottom: 18px;
}

.form-group label:not(.btn) {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #2d3748;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    font-size: 14px;
    font-family: inherit;
    border-radius: 6px;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #4299e1;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ===== Messages ===== */
.error-message {
    background: #fff5f5;
    color: #c53030;
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 2px solid #feb2b2;
    border-radius: 8px;
}

.success-message {
    background: #f0fff4;
    color: #276749;
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 2px solid #9ae6b4;
    border-radius: 8px;
}

/* ===== Modal Base Styles ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 0;
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    margin-bottom: 0;
    border-bottom: 2px solid #e2e8f0;
    position: sticky;
    top: 0;
    background: white;
    z-index: 1;
    border-radius: 12px 12px 0 0;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: #1a202c;
}

.modal-close {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    font-size: 24px;
    cursor: pointer;
    color: #2d3748;
    line-height: 1;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
    color: #1a202c;
    transform: scale(1.05);
}

.modal-body {
    padding: 24px;
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.modal-actions button {
    flex: 1;
}

.modal-footer {
    min-height: 64px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

/* ===== Auth Container ===== */
.simple-auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background: #f8f9fa;
    padding: 20px;
}

.simple-auth-box {
    background: white;
    padding: 40px 48px;
    border: 2px solid #e2e8f0;
    min-width: 440px;
    max-width: 520px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* ===== Notification Bell ===== */
.notification-bell {
    position: relative;
    padding: 10px 20px;
    border: 2px solid #e2e8f0;
    background: white;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    min-width: 80px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    overflow: visible !important;
    color: #2d3748;
}

.notification-bell:hover {
    background: #f7fafc;
    border-color: #cbd5e0;
    transform: translateY(-1px);
}

.notification-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: #f56565;
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 7px;
    border-radius: 12px;
    min-width: 20px;
    text-align: center;
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 350px;
}

.toast-notification {
    background: white;
    border: 1px solid #ddd;
    border-left: 4px solid #4CAF50;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    animation: slideInRight 0.3s ease-out;
    cursor: pointer;
}

.toast-notification.comment { border-left-color: #2196F3; }
.toast-notification.reply { border-left-color: #9C27B0; }
.toast-notification.like { border-left-color: #ff4081; }

.toast-notification:hover {
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

@keyframes slideInRight {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast-title {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.toast-message {
    font-size: 12px;
    color: #666;
    line-height: 1.4;
}

.toast-time {
    font-size: 10px;
    color: #999;
    margin-top: 5px;
}

/* ===== Notification Modal ===== */
.notification-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
}

.notification-modal.active {
    display: flex;
}

.notification-modal-content {
    background: white;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 0;
    position: relative;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.notification-modal-header {
    padding: 24px;
    border-bottom: 2px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: white;
    z-index: 1;
    border-radius: 12px 12px 0 0;
}

.notification-modal-title {
    font-size: 20px;
    font-weight: 600;
    color: #1a202c;
}

.notification-modal-close {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    font-size: 24px;
    cursor: pointer;
    color: #2d3748;
    padding: 0;
    width: 36px;
    height: 36px;
    line-height: 1;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-modal-close:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
    color: #1a202c;
    transform: scale(1.05);
}

.mark-all-read-btn {
    padding: 8px 16px;
    background: #4299e1;
    color: white;
    border: 2px solid #4299e1;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.mark-all-read-btn:hover {
    background: #3182ce;
    border-color: #3182ce;
    transform: translateY(-1px);
}

.mark-all-read-btn:disabled {
    background: #cbd5e0;
    border-color: #cbd5e0;
    color: #a0aec0;
    cursor: not-allowed;
    transform: none;
}

.notification-list {
    padding: 0;
}

.notification-item {
    padding: 18px 24px;
    border-bottom: 1px solid #e2e8f0;
    cursor: pointer;
    transition: all 0.2s ease;
}

.notification-item:hover {
    background: #f7fafc;
}

.notification-item.unread {
    background: #ebf8ff;
    border-left: 4px solid #4299e1;
}

.notification-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.notification-item-type {
    font-size: 10px;
    padding: 2px 6px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
}

.notification-item-type.comment { background: #e8e8e8; color: #333; }
.notification-item-type.reply { background: #d0d0d0; color: #333; }
.notification-item-type.like { background: #c0c0c0; color: #333; }

.notification-item-time {
    font-size: 10px;
    color: #999;
}

.notification-item-content {
    font-size: 12px;
    color: #333;
    line-height: 1.4;
}

.notification-item-sender {
    font-weight: 600;
    color: #555;
}

.notification-empty {
    padding: 50px 20px;
    text-align: center;
    color: #999;
    font-size: 12px;
}

/* ===== User Info Modal ===== */
.user-info-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
}

.user-info-modal.active {
    display: flex;
}

.user-info-modal-content {
    background: white;
    width: 90%;
    max-width: 450px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}

.user-info-modal-header {
    padding: 20px 24px;
    border-bottom: 2px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-info-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a202c;
}

.user-info-modal-close {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    font-size: 20px;
    cursor: pointer;
    color: #2d3748;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.user-info-modal-close:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
}

.user-info-modal-body {
    padding: 24px;
}

.user-info-field {
    margin-bottom: 16px;
}

.user-info-field:last-child {
    margin-bottom: 0;
}

.user-info-label {
    font-size: 12px;
    color: #718096;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-info-value {
    font-size: 15px;
    color: #1a202c;
    word-break: break-word;
}

.user-info-value.empty {
    color: #a0aec0;
    font-style: italic;
}

/* ===== Layout Stabilization ===== */
.btn, .language-toggle, .toggle-btn,
.add-record-btn, .submit-btn,
.btn-edit, .btn-delete, .btn-view-likes,
.category-action-btn, .comment-btn,
.modal-btn, .notification-bell,
button[class*="btn"]:not(.label-toggle-btn) {
    height: 32px !important;
    line-height: 32px !important;
    padding: 0 14px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
    font-size: 13px !important;
    font-weight: normal !important;
    letter-spacing: 0 !important;
    white-space: nowrap !important;
    text-align: center !important;
    vertical-align: middle !important;
    overflow: hidden;
    text-overflow: ellipsis;
}

.label-toggle-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    height: 32px !important;
    line-height: 1 !important;
    padding: 0 16px !important;
    box-sizing: border-box !important;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    body {
        padding: 16px;
    }

    .top-actions {
        position: relative;
        top: 0;
        right: 0;
        margin-bottom: 20px;
        flex-wrap: wrap;
    }

    .simple-auth-box {
        min-width: auto;
        padding: 30px 20px;
    }

    .modal-content {
        width: 95%;
    }
}