:root {
    --bg-gradient: linear-gradient(135deg, #0f111a 0%, #1a1b26 100%);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #f8f8f2;
    --text-muted: #8b92a5;
    
    --accent-blue: #66d9ef;
    --accent-purple: #ae81ff;
    --accent-green: #a6e22e;
    --accent-orange: #fd971f;
    --accent-red: #f92672;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--bg-gradient);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden; /* Prevent pull-to-refresh on mobile if possible */
}

.app-container {
    width: 100%;
    max-width: 480px;
    height: 100vh;
    height: 100dvh;
    background: var(--bg-gradient);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* HEADER */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 20px;
    z-index: 10;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(to right, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition);
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.25rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.icon-btn:active {
    background: var(--glass-bg);
    transform: scale(0.9);
}

.icon-btn.hidden {
    opacity: 0;
    pointer-events: none;
}

#btn-clear {
    color: var(--accent-red);
}

/* VIEWS */
.view {
    flex: 1;
    padding: 0 20px 20px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    position: absolute;
    top: 80px; /* Header height */
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s;
    pointer-events: none;
}

.view.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1), opacity 0.4s;
}

.view.previous {
    transform: translateX(-30%);
    opacity: 0;
}

.view-centered {
    justify-content: center;
}

/* MAIN MENU */
#view-menu h2 {
    font-weight: 300;
    margin-bottom: 24px;
    font-size: 1.8rem;
}

.menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.menu-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    min-height: 160px;
}

.menu-card:active {
    transform: scale(0.95);
}

.menu-card:hover {
    background: rgba(255, 255, 255, 0.05);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.menu-card:nth-child(1) .card-icon { color: var(--accent-orange); }
.menu-card:nth-child(2) .card-icon { color: var(--accent-blue); }
.menu-card:nth-child(3) .card-icon { color: var(--accent-green); }
.menu-card:nth-child(4) .card-icon { color: var(--accent-purple); }

.card-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
}

.card-subtext {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* INPUT GROUPS */
.input-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.input-group-row {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    padding-left: 4px;
}

input[type="text"],
input[type="number"],
input[type="tel"],
textarea {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 14px 16px;
    color: var(--text-main);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
    width: 100%;
}

textarea {
    resize: none;
    flex: 1;
    min-height: 200px;
    border-radius: 20px;
}

input:focus, textarea:focus {
    border-color: var(--text-muted);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.05);
}

input.huge-input {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    letter-spacing: 2px;
    padding: 20px;
}

.row-input {
    display: flex;
    gap: 10px;
}

.row-input input {
    flex: 1;
}

/* BUTTONS */
.btn-primary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 16px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    text-decoration: none;
}

.btn-primary:active {
    transform: scale(0.98);
    background: rgba(255, 255, 255, 0.15);
}

.btn-icon-primary {
    background: var(--text-main);
    color: #1a1b26;
    border: none;
    border-radius: 14px;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon-primary:active {
    transform: scale(0.9);
}

.btn-success {
    background: rgba(166, 226, 46, 0.15);
    color: var(--accent-green);
    border-color: rgba(166, 226, 46, 0.3);
}

.btn-success.disabled {
    opacity: 0.5;
    pointer-events: none;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border-color: var(--glass-border);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    border-radius: 12px;
    padding: 10px 16px;
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.btn-secondary:active {
    transform: scale(0.95);
}

/* POST-IT ACTIONS */
.postit-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.media-preview {
    margin-top: 16px;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--glass-bg);
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-preview.hidden {
    display: none;
}

.media-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 8px;
}

.media-preview audio {
    width: 100%;
    height: 40px;
}

.media-preview .hidden {
    display: none;
}

.icon-btn-small {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(0,0,0,0.6);
    color: white;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* LISTS */
.list-container {
    flex: 1;
    overflow-y: auto;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 20px;
}

.list-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.board-details {
    display: flex;
    align-items: center;
    gap: 12px;
}

.board-icon {
    width: 40px;
    height: 40px;
    background: rgba(253, 151, 31, 0.1);
    color: var(--accent-orange);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.board-text {
    font-weight: 600;
}

.board-qty {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.list-item-delete {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    transition: var(--transition);
}

.list-item-delete:active {
    color: var(--accent-red);
    transform: scale(0.8);
}

/* Discounter List */
.disc-item-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    cursor: pointer;
}

.custom-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--text-muted);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: transparent;
}

.disc-item.checked .custom-checkbox {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: #1a1b26;
}

.disc-item.checked .disc-name {
    text-decoration: line-through;
    color: var(--text-muted);
}

.disc-name {
    font-size: 1.1rem;
    transition: var(--transition);
}

.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 32px 24px;
    width: 100%;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Webkit Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
}