:root {
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    --text-primary: rgba(0, 0, 0, 0.8);
    --accent-color: rgba(79, 134, 247, 0.8);
    --danger-color: rgba(235, 87, 87, 0.8);
    --success-color: rgba(98, 196, 98, 0.8);
    --bg-gradient-1: #e4f1fe;
    --bg-gradient-2: #d8e8fd;
    --bg-gradient-3: #c8dffe;
}

.dark-mode {
    --glass-bg: rgba(23, 25, 35, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    --text-primary: rgba(255, 255, 255, 0.9);
    --accent-color: rgba(98, 149, 248, 0.8);
    --danger-color: rgba(235, 87, 87, 0.8);
    --success-color: rgba(98, 196, 98, 0.8);
    --bg-gradient-1: #1a1f35;
    --bg-gradient-2: #262c45;
    --bg-gradient-3: #323a59;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-1), var(--bg-gradient-2), var(--bg-gradient-3));
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    transition: all 0.3s ease;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--glass-shadow);
    transition: all 0.3s ease;
}

.glass-panel:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.glass-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 10px 15px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.headerLogo {
    max-width: 20%;
    position: relative;
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.3));
    animation: float 8s ease-in-out infinite;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.headerLogo::after {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.4) 0%,
        rgba(255, 255, 255, 0) 50%
    );
    transform: rotate(-10deg);
    pointer-events: none;
    opacity: 0.5;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.headerLogo:hover {
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.5))
           drop-shadow(0 0 12px rgba(100, 180, 255, 0.4));
    transform: translateY(-5px) scale(1.05);
}

.headerLogo:hover::after {
    opacity: 0.8;
    transform: rotate(-5deg);
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
    100% {
        transform: translateY(0px);
    }
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.glass-btn:active {
    transform: translateY(1px);
}

.glass-btn.small {
    padding: 6px 10px;
    font-size: 0.8em;
}

.glass-btn.active {
    background: var(--accent-color);
    color: white;
}

.glass-btn.danger {
    color: var(--danger-color);
}

.glass-btn.danger-all {
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.glass-btn.danger-all:hover {
    background: rgba(235, 87, 87, 0.2);
}

.glass-input, .glass-select {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 10px 15px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.glass-input:focus, .glass-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(79, 134, 247, 0.2);
}

.app-container {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

header {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

h1 {
    text-align: center;
    font-weight: 300;
    font-size: 2.5em;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.note-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

#noteTitle {
    flex: 1;
    min-width: 200px;
    font-size: 1.2em;
}

.note-actions {
    display: flex;
    gap: 10px;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    padding: 10px 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.format-group {
    display: flex;
    gap: 8px;
}

.divider {
    width: 1px;
    background: var(--glass-border);
    margin: 0 5px;
}

.note-editor {
    min-height: 400px;
    padding: 25px;
    font-size: 1.1em;
    line-height: 1.6;
    overflow-y: auto;
}

.note-editor:focus {
    outline: none;
    border-color: var(--accent-color);
}

.note-editor[placeholder]:empty:before {
    content: attr(placeholder);
    color: rgba(0, 0, 0, 0.4);
    font-style: italic;
}

.dark-mode .note-editor[placeholder]:empty:before {
    color: rgba(255, 255, 255, 0.4);
}

footer {
    padding: 15px 20px;
}

.status-bar {
    display: grid;
    grid-template-columns: 1fr auto auto 1fr;
    align-items: center;
    gap: 10px;
}

.status-bar .center-items {
    display: flex;
    gap: 10px;
    justify-content: center;
}

#saveStatus {
    justify-self: start;
}

.actions {
    display: flex;
    gap: 10px;
    justify-self: end;
}

.version-indicator {
    font-size: 0.75em;
    opacity: 0.6;
    font-family: monospace;
    padding: 3px 8px;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
    display: inline-block;
    cursor: pointer;
}

.version-indicator:hover {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 3px 8px var(--glass-shadow);
    border-color: var(--accent-color);
}

.version-indicator:active {
    transform: translateY(0px);
}

.about-link {
    font-size: 0.75em;
    opacity: 0.6;
    padding: 3px 8px;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
    display: inline-block;
    cursor: pointer;
    text-align: center;
}

.about-link:hover {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: 0 3px 8px var(--glass-shadow);
    border-color: var(--accent-color);
}

.about-link:active {
    transform: translateY(0px);
}

.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.dialog-overlay.active {
    opacity: 1;
    visibility: visible;
}

.dialog {
    width: 90%;
    max-width: 500px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.dialog-overlay.active .dialog {
    transform: translateY(0);
}

.dialog h3 {
    font-size: 1.5em;
    font-weight: 400;
    margin-bottom: 5px;
}

.format-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.format-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 15px;
    text-align: left;
    gap: 5px;
}

.format-btn i {
    margin-right: 8px;
    font-size: 1.2em;
}

.format-desc {
    font-size: 0.85em;
    opacity: 0.7;
    margin-top: 3px;
    padding-left: 24px;
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .note-controls {
        flex-direction: column;
    }
    
    .toolbar {
        flex-direction: column;
    }
    
    h1 {
        font-size: 2em;
    }
    
    .note-actions {
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    .note-actions > * {
        margin-bottom: 10px;
    }
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

.saving {
    animation: pulse 1.5s infinite;
}

/* Dark mode adj */
.dark-mode .headerLogo {
    filter: drop-shadow(0 0 5px rgba(0, 150, 255, 0.3));
}

.dark-mode .headerLogo:hover {
    filter: drop-shadow(0 0 8px rgba(0, 150, 255, 0.5))
           drop-shadow(0 0 12px rgba(100, 180, 255, 0.4));
}