/**
 * Cupertino iOS Time Picker Library
 * Native iOS style time picker with bottom sheet on mobile
 * Version: 1.0.1
 */

/* Clock Time Picker Overlay */
.cupertino-clock-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    display: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: opacity 0.3s ease, backdrop-filter 0.3s ease;
    opacity: 0;
}

.cupertino-clock-overlay.active {
    display: block;
    opacity: 1;
}

/* Mobile specific overlay adjustments */
@media only screen and (max-width: 768px) {
    .cupertino-clock-overlay {
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        transition: opacity 0.4s cubic-bezier(0.32, 0.72, 0, 1), backdrop-filter 0.4s cubic-bezier(0.32, 0.72, 0, 1);
    }
    
    .cupertino-clock-overlay.active {
        animation: cupertino-fadeInBlur 0.4s cubic-bezier(0.32, 0.72, 0, 1) forwards;
    }
    
    .cupertino-clock-overlay.closing {
        animation: cupertino-fadeOutBlur 0.4s cubic-bezier(0.32, 0.72, 0, 1) forwards;
    }
}

/* Mobile blur animations */
@keyframes cupertino-fadeInBlur {
    0% {
        opacity: 0;
        backdrop-filter: blur(0px);
        -webkit-backdrop-filter: blur(0px);
    }
    100% {
        opacity: 1;
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
    }
}

@keyframes cupertino-fadeOutBlur {
    0% {
        opacity: 1;
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
    }
    100% {
        opacity: 0;
        backdrop-filter: blur(0px);
        -webkit-backdrop-filter: blur(0px);
    }
}

/* Clock Time Picker Styles */
.cupertino-clock-picker {
    position: fixed;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 0;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.32, 0.72, 0, 1);
    transform: scale(0.9);
    min-width: 320px;
    overflow: hidden;
    direction: ltr;
    user-select: none;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
    color: #000;
}

.cupertino-clock-picker.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

/* Mobile iOS style - bottom sheet */
@media only screen and (max-width: 768px) {
    .cupertino-clock-picker {
        border-radius: 20px 20px 0 0;
        bottom: 0 !important;
        left: 0 !important;
        top: unset !important;
        transform: translateY(100%);
        width: 100%;
        max-width: none;
        min-width: auto;
    }
    
    .cupertino-clock-picker.active {
        transform: translateY(0);
    }
}

.cupertino-picker-header {
    background: #f8f9fa;
    padding: 16px 20px;
    text-align: center;
    border-bottom: 1px solid #e5e5ea;
    position: relative;
}

.cupertino-picker-title {
    font-size: 1rem;
    color: #3c3c43;
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.cupertino-header-handle {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 5px;
    background: #c7c7cc;
    border-radius: 3px;
}

@media only screen and (min-width: 769px) {
    .cupertino-header-handle {
        display: none;
    }
}

.cupertino-time-display {
    font-size: 2.5rem;
    font-weight: 300;
    color: #007aff;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', monospace;
    letter-spacing: -1px;
    line-height: 1;
    margin-top: 8px;
}

.cupertino-picker-body {
    padding: 20px;
}

.cupertino-mode-switch {
    display: flex;
    margin-bottom: 20px;
    background: #f2f2f7;
    border-radius: 10px;
    padding: 2px;
}

.cupertino-mode-btn {
    flex: 1;
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: #007aff;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    letter-spacing: -0.2px;
    font-family: inherit;
}

.cupertino-mode-btn.active {
    background: #ffffff;
    color: #007aff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.cupertino-mode-btn:hover:not(.active) {
    color: #0051d2;
}

/* Period Toggle (AM/PM) */
.cupertino-period-toggle {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    gap: 0;
}

.cupertino-period-btn {
    padding: 8px 20px;
    border: 1px solid #d1d1d6;
    background: #ffffff;
    color: #007aff;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    letter-spacing: -0.2px;
    font-family: inherit;
}

.cupertino-period-btn:first-child {
    border-radius: 8px 0 0 8px;
    border-right: none;
}

.cupertino-period-btn:last-child {
    border-radius: 0 8px 8px 0;
}

.cupertino-period-btn.active {
    background: #007aff;
    color: #ffffff;
    border-color: #007aff;
}

.cupertino-period-btn:hover:not(.active) {
    background: #f0f8ff;
}

.cupertino-clock-container {
    position: relative;
    width: 240px;
    height: 240px;
    margin: 0 auto 20px;
}

.cupertino-clock-face {
    width: 100%;
    height: 100%;
    border: 2px solid #e5e5ea;
    border-radius: 50%;
    position: relative;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.cupertino-clock-center {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: #007aff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.cupertino-clock-number {
    position: absolute;
    font-weight: 500;
    font-size: 14px;
    color: #3c3c43;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    user-select: none;
    letter-spacing: -0.3px;
    z-index: 2;
}

.cupertino-clock-number:hover {
    background: rgba(0, 122, 255, 0.1);
    color: #007aff;
    transform: scale(1.1);
}

.cupertino-clock-number.selected {
    background: #007aff;
    color: #ffffff;
    transform: scale(1.1);
}

.cupertino-clock-number.hour-inner {
    font-size: 12px;
    color: #555;
}

.cupertino-clock-number.hour-outer {
    font-size: 14px;
    font-weight: 600;
    color: #000;
}

.cupertino-clock-hand {
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: bottom center;
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    z-index: 5;
    border-radius: 1px;
    display: block;
}

.cupertino-hour-hand {
    width: 3px;
    height: 50px;
    background: #007aff;
    margin-left: -1.5px;
    margin-top: -50px;
    border-radius: 1.5px;
}

.cupertino-minute-hand {
    width: 2px;
    height: 70px;
    background: #8e8e93;
    margin-left: -1px;
    margin-top: -70px;
    border-radius: 1px;
}

.cupertino-picker-footer {
    display: flex;
    justify-content: space-between;
    padding: 16px 20px 20px;
    background: #f8f9fa;
    border-top: 1px solid #e5e5ea;
}

.cupertino-picker-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    letter-spacing: -0.2px;
    min-height: 44px;
    font-family: inherit;
}

.cupertino-btn-today {
    background: #007aff;
    color: #ffffff;
}

.cupertino-btn-today:hover {
    background: #0051d2;
}

.cupertino-btn-today:active {
    transform: scale(0.96);
}

.cupertino-btn-close {
    background: #f2f2f7;
    color: #007aff;
}

.cupertino-btn-close:hover {
    background: #e5e5ea;
}

.cupertino-btn-close:active {
    transform: scale(0.96);
}

/* Responsive Design */
@media (max-width: 768px) {
    .cupertino-clock-container {
        width: 200px;
        height: 200px;
    }
    
    .cupertino-time-display {
        font-size: 2rem;
    }

    .cupertino-picker-body {
        padding: 16px 20px;
    }
}

/* Loading Animation */
.cupertino-clock-face.loading {
    animation: cupertino-pulse 1s infinite;
}

@keyframes cupertino-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Touch feedback */
.cupertino-picker-btn:active,
.cupertino-mode-btn:active,
.cupertino-period-btn:active,
.cupertino-clock-number:active {
    transform: scale(0.96);
}

/* iOS safe area support */
@supports (padding: max(0px)) {
    @media (max-width: 768px) {
        .cupertino-picker-footer {
            padding-bottom: max(20px, env(safe-area-inset-bottom));
        }
    }
}