/* ================= FLASH MESSAGES - IMPROVED DESIGN ================= */

:root {
    --flash-success-color: #10b981;
    --flash-danger-color: #ef4444;
    --flash-warning-color: #f59e0b;
    --flash-info-color: #3b82f6;
    --flash-bg: #ffffff;
    --flash-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

/* Container - Position Below Navbar, Top Right */
.flash-container {
    position: fixed;
    top: 74px; /* Below navbar (56px) + padding */
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: calc(100vw - 40px);
    pointer-events: none; /* Allow clicks to pass through to page */
}

/* Individual Flash Message */
.flash {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--flash-bg);
    padding: 16px 18px;
    border-radius: 12px;
    min-width: 300px;
    max-width: 420px;
    box-shadow: var(--flash-shadow);
    border-left: 5px solid;
    position: relative;
    overflow: hidden;
    pointer-events: auto;
    animation: flashSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
              flashSlideOut 0.5s ease-in 6s forwards;
}

/* Countdown Progress Bar */
.flash::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: currentColor;
    opacity: 0.6;
    animation: countdownBar 6s linear forwards;
}

/* Flash Status Colors */
.flash-success {
    border-left-color: var(--flash-success-color);
    color: var(--flash-success-color);
}

.flash-danger {
    border-left-color: var(--flash-danger-color);
    color: var(--flash-danger-color);
}

.flash-warning {
    border-left-color: var(--flash-warning-color);
    color: var(--flash-warning-color);
}

.flash-info {
    border-left-color: var(--flash-info-color);
    color: var(--flash-info-color);
}

/* Icon */
.flash-icon {
    flex-shrink: 0;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-top: 2px;
    animation: iconPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s both;
}

.flash-icon i {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Message Content */
.flash-content {
    font-size: 0.975rem;
    line-height: 1.5;
    color: #374151;
    word-break: break-word;
    flex: 1;
    animation: textSlideIn 0.6s ease-out 0.15s both;
}

/* Close Button */
.flash-close {
    background: none;
    border: none;
    margin-left: auto;
    margin-top: -2px;
    cursor: pointer;
    color: #9ca3af;
    font-size: 1.2rem;
    padding: 4px 6px;
    flex-shrink: 0;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.flash-close:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: #6b7280;
    transform: rotate(90deg);
}

/* Countdown Timer Display */
.flash-countdown {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 8px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 6px;
    text-align: center;
    opacity: 0.7;
    animation: countdownFade 6s linear forwards;
}

/* ================= ANIMATIONS ================= */

/* Slide In - Bounce Effect */
@keyframes flashSlideIn {
    0% {
        transform: translateX(420px) translateY(-20px);
        opacity: 0;
    }
    60% {
        transform: translateX(-8px) translateY(0);
        opacity: 1;
    }
    80% {
        transform: translateX(4px) translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateX(0) translateY(0);
        opacity: 1;
    }
}

/* Slide Out - Fade */
@keyframes flashSlideOut {
    0% {
        transform: translateX(0) translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateX(420px) translateY(-20px);
        opacity: 0;
    }
}

/* Icon Pop Animation */
@keyframes iconPop {
    0% {
        transform: scale(0) rotate(-45deg);
        opacity: 0;
    }
    70% {
        transform: scale(1.15) rotate(0);
        opacity: 1;
    }
    100% {
        transform: scale(1) rotate(0);
        opacity: 1;
    }
}

/* Text Slide In */
@keyframes textSlideIn {
    0% {
        transform: translateX(-12px);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Countdown Bar Animation */
@keyframes countdownBar {
    0% {
        width: 100%;
    }
    100% {
        width: 0%;
    }
}

/* Countdown Fade */
@keyframes countdownFade {
    0%, 95% {
        opacity: 0.7;
    }
    100% {
        opacity: 0;
    }
}

/* ================= RESPONSIVE DESIGN ================= */

/* Large Desktop (1920px and up) */
@media (min-width: 1920px) {
    .flash-container {
        top: 80px;
        right: 32px;
    }

    .flash {
        min-width: 320px;
        max-width: 480px;
    }
}

/* Standard Desktop (1024px - 1919px) */
@media (min-width: 1024px) and (max-width: 1919px) {
    .flash-container {
        top: 74px;
        right: 20px;
    }

    .flash {
        min-width: 300px;
        max-width: 420px;
    }
}

/* Tablet Landscape (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .flash-container {
        top: 70px;
        right: 16px;
        left: auto;
        max-width: none;
    }

    .flash {
        min-width: 280px;
        max-width: 380px;
        padding: 15px 16px;
    }

    .flash-content {
        font-size: 0.92rem;
    }

    .flash-icon {
        width: 26px;
        height: 26px;
        font-size: 1.3rem;
    }

    .flash-close {
        width: 26px;
        height: 26px;
        font-size: 1.1rem;
    }
}

/* Tablet Portrait (600px - 767px) */
@media (min-width: 600px) and (max-width: 767px) {
    .flash-container {
        top: 68px;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100vw - 24px);
        max-width: calc(100vw - 24px);
    }

    .flash {
        min-width: unset;
        max-width: none;
        padding: 14px 16px;
    }

    .flash-content {
        font-size: 0.91rem;
    }

    .flash-icon {
        width: 25px;
        height: 25px;
        font-size: 1.25rem;
    }

    @keyframes flashSlideIn {
        0% {
            transform: translateY(-30px);
            opacity: 0;
        }
        60% {
            transform: translateY(4px);
            opacity: 1;
        }
        80% {
            transform: translateY(-2px);
            opacity: 1;
        }
        100% {
            transform: translateY(0);
            opacity: 1;
        }
    }

    @keyframes flashSlideOut {
        0% {
            transform: translateY(0);
            opacity: 1;
        }
        100% {
            transform: translateY(-30px);
            opacity: 0;
        }
    }
}

/* Large Mobile (480px - 599px) */
@media (min-width: 480px) and (max-width: 599px) {
    .flash-container {
        top: 65px;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100vw - 20px);
        max-width: calc(100vw - 20px);
    }

    .flash {
        min-width: unset;
        max-width: none;
        padding: 13px 15px;
        gap: 12px;
    }

    .flash-content {
        font-size: 0.89rem;
    }

    .flash-icon {
        width: 24px;
        height: 24px;
        font-size: 1.2rem;
    }

    .flash-close {
        width: 24px;
        height: 24px;
        font-size: 1.05rem;
    }

    @keyframes flashSlideIn {
        0% {
            transform: translateY(-28px);
            opacity: 0;
        }
        100% {
            transform: translateY(0);
            opacity: 1;
        }
    }

    @keyframes flashSlideOut {
        0% {
            transform: translateY(0);
            opacity: 1;
        }
        100% {
            transform: translateY(-28px);
            opacity: 0;
        }
    }
}

/* Small Mobile (360px - 479px) */
@media (max-width: 479px) {
    .flash-container {
        top: 60px;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100vw - 16px);
        max-width: calc(100vw - 16px);
        gap: 10px;
    }

    .flash {
        min-width: unset;
        max-width: none;
        padding: 12px 14px;
        gap: 10px;
        border-radius: 10px;
    }

    .flash-icon {
        width: 22px;
        height: 22px;
        font-size: 1.1rem;
        margin-top: 1px;
    }

    .flash-content {
        font-size: 0.87rem;
        line-height: 1.4;
    }

    .flash-close {
        width: 22px;
        height: 22px;
        font-size: 1rem;
        padding: 2px 4px;
    }

    @keyframes flashSlideIn {
        0% {
            transform: translateY(-25px);
            opacity: 0;
        }
        100% {
            transform: translateY(0);
            opacity: 1;
        }
    }

    @keyframes flashSlideOut {
        0% {
            transform: translateY(0);
            opacity: 1;
        }
        100% {
            transform: translateY(-25px);
            opacity: 0;
        }
    }
}