/* Shared Checklist - DuckyCart Web Styles */

:root {
    --primary-gradient: linear-gradient(135deg, rgba(78, 84, 200, 0.95), rgba(143, 148, 251, 0.95));
    --secondary-gradient: linear-gradient(135deg, rgba(52, 168, 83, 0.9), rgba(21, 128, 61, 0.9));
    --success: #34C759;
    --error: #FF3B30;
    --text-on-gradient: #FFFFFF;
    --text-primary: #2D3748;
    --text-secondary: #4A5568;
    --bg-white: #FFFFFF;
    --bg-gray-50: #F7FAFC;
    --bg-gray-100: #EDF2F7;
    --border-color: #E2E8F0;
    --card-radius: 16px;
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-btn: 0 2px 8px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    width: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100vh;
    font-family: var(--font-main);
    background: var(--primary-gradient);
    color: var(--text-on-gradient);
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.6;
    overflow-x: hidden;
}

.header {
    width: 100%;
    background: var(--primary-gradient);
    padding: 32px 0 16px 0;
    box-shadow: var(--shadow-card);
    border-radius: 0 0 24px 24px;
    text-align: center;
}
.header-content {
    max-width: 480px;
    margin: 0 auto;
}
.app-title {
    font-size: 30px;
    font-weight: bold;
    margin: 0 0 4px 0;
    letter-spacing: 1px;
}
.header-subtitle {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 16px 0;
    opacity: 0.9;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #FF6B6B, #FF8E8E);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
    transition: all 0.3s ease;
    animation: subtle-pulse 2s infinite;
    outline: none;
    border: none;
    cursor: pointer;
}
.cta-button:hover, .cta-button:focus {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 107, 0.4);
}
@keyframes subtle-pulse {
    0%, 100% { box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3); }
    50% { box-shadow: 0 4px 16px rgba(255, 107, 107, 0.5); }
}

.main-container {
    width: 100%;
    max-width: 480px;
    margin: 32px auto 0 auto;
    padding: 0 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.state-container {
    width: 100%;
    background: var(--bg-white);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
    padding: 32px 24px;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 320px;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.hidden { display: none !important; }

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-gray-100);
    border-top: 4px solid var(--success);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.loading-text {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
}

.error-icon {
    font-size: 40px;
    margin-bottom: 8px;
}
.error-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--text-primary);
}
.error-message {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--error);
    text-align: center;
    font-weight: 500;
}
.retry-button {
    background: var(--secondary-gradient);
    color: #fff;
    border: none;
    border-radius: 20px;
    padding: 10px 24px;
    font-size: 16px;
    font-weight: 600;
    box-shadow: var(--shadow-btn);
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}
.retry-button:hover, .retry-button:focus {
    background: var(--primary-gradient);
    transform: translateY(-1px);
}

.checklist-header {
    width: 100%;
    margin-bottom: 24px;
    text-align: left;
}
.checklist-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 16px 0;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}
.progress-container {
    display: flex;
    align-items: center;
    gap: 12px;
}
.progress-bar {
    flex: 1;
    height: 12px;
    background: var(--bg-gray-100);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.06);
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #48C774);
    width: 0%;
    border-radius: 8px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(52, 199, 89, 0.2);
}
.progress-text {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
    min-width: 90px;
    text-align: right;
}

.items-container {
    width: 100%;
    margin-bottom: 24px;
}
.items-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.item {
    display: flex;
    align-items: center;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 12px;
    padding: 16px 20px;
    box-shadow: var(--shadow-card);
    font-size: 16px;
    color: var(--text-primary);
    opacity: 0;
    animation: fadeIn 0.4s ease-out forwards;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}
.item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--success);
}
.item:active {
    transform: translateY(0);
}
@keyframes fadeIn {
    from { 
        opacity: 0;
        transform: translateY(10px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}
.item.checked {
    background: var(--bg-gray-50);
    border-color: var(--success);
    color: var(--text-secondary);
}
.item.checked .item-text {
    text-decoration: line-through;
    opacity: 0.6;
}
.checkbox {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    margin-right: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
.checkbox:hover {
    border-color: var(--success);
    background: rgba(52, 199, 89, 0.05);
}
.checkbox.checked {
    border-color: var(--success);
    background: var(--success);
    box-shadow: 0 2px 8px rgba(52, 199, 89, 0.3);
}
.checkbox-icon {
    color: white;
    font-size: 14px;
    font-weight: bold;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.2s ease;
}
.checkbox.checked .checkbox-icon {
    opacity: 1;
    transform: scale(1);
}
.item-text {
    flex: 1;
    font-weight: 500;
    line-height: 1.4;
}

.add-item-section {
    width: 100%;
}
.add-item-container {
    display: flex;
    align-items: center;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    padding: 12px 16px;
    transition: border-color 0.2s ease;
}
.add-item-container:focus-within {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(52, 199, 89, 0.1);
}
.new-item-input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 16px;
    padding: 12px 0;
    outline: none;
    font-family: var(--font-main);
    font-weight: 500;
}
.new-item-input::placeholder {
    color: var(--text-secondary);
    font-size: 16px;
    opacity: 0.7;
    font-weight: 400;
}
.add-item-button {
    margin-left: 12px;
    background: var(--success);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    box-shadow: var(--shadow-btn);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    position: relative;
    outline: none;
    min-width: 70px;
    justify-content: center;
}
.add-item-button:disabled {
    background: var(--bg-gray-100);
    color: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}
.add-item-button:hover:not(:disabled), .add-item-button:focus:not(:disabled) {
    background: #28a745;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 199, 89, 0.3);
}
.button-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top: 2px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Manual refresh button */
.checklist-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.manual-refresh-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
}

.manual-refresh-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.manual-refresh-btn:active {
    transform: translateY(0);
}

.refresh-icon-manual {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-top: 2px solid transparent;
    border-radius: 50%;
    display: block;
}

.manual-refresh-btn.spinning .refresh-icon-manual {
    animation: spin 1s linear infinite;
}

/* Auto-refresh indicator */
.auto-refresh-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    box-shadow: var(--shadow-card);
    display: none;
    align-items: center;
    gap: 6px;
    z-index: 1000;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.auto-refresh-indicator.visible {
    display: flex;
}

.auto-refresh-indicator .refresh-icon {
    width: 12px;
    height: 12px;
    border: 2px solid var(--text-secondary);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Accessibility focus */
:focus-visible {
    outline: 2px solid var(--success);
    outline-offset: 2px;
}

/* Responsive */
@media (max-width: 768px) {
    .main-container {
        max-width: 100%;
        margin: 16px 0 0 0;
        padding: 0 4px;
    }
    .header {
        padding: 24px 0 12px 0;
        border-radius: 0 0 16px 16px;
    }
    .state-container {
        padding: 20px 8px;
        min-height: 220px;
    }
    .checklist-header {
        margin-bottom: 16px;
    }
    .add-item-container {
        padding: 6px 6px;
    }    .auto-refresh-indicator {
        top: 10px;
        right: 10px;
        padding: 6px 10px;
        font-size: 11px;
    }
    .manual-refresh-btn {
        min-width: 32px;
        height: 32px;
        padding: 6px;
    }
    .refresh-icon-manual {
        width: 14px;
        height: 14px;
    }
}