/* ==========================================================================
   UI Enhancements — P3-P9
   Loaded last in both layouts for highest cascade priority.
   ========================================================================== */

/* --------------------------------------------------------------------------
   P4 — Transition Timing Tokens (CSS Custom Properties)
   Three canonical durations: fast (150ms), base (250ms), slow (350ms)
   -------------------------------------------------------------------------- */
:root {
    --transition-fast: 150ms;
    --transition-base: 250ms;
    --transition-slow: 350ms;
    --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Color tokens (match toast.css palette) */
    --color-primary: #3B82F6;
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    --color-gray-200: #E5E7EB;
    --color-gray-700: #374151;
}

/* --------------------------------------------------------------------------
   P3 — Card Hover Effects
   Targets all common card patterns in the project.
   -------------------------------------------------------------------------- */

/* Utility class — add .card-hover to any card for lift effect */
.card-hover {
    transition: transform var(--transition-base) var(--ease-default),
                box-shadow var(--transition-base) var(--ease-default);
}
.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1),
                0 8px 10px -6px rgba(0, 0, 0, 0.06);
}

/* Auto-apply to common card containers */
.stat_card,
.action_card,
.activity_card,
.info_overview {
    transition: transform var(--transition-base) var(--ease-default),
                box-shadow var(--transition-base) var(--ease-default);
}
.stat_card:hover,
.action_card:hover,
.activity_card:hover,
.info_overview:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1),
                0 8px 10px -6px rgba(0, 0, 0, 0.06);
}

/* Dashboard stat cards — subtle border glow on hover */
.stat_card {
    position: relative;
}
.stat_card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity var(--transition-base) var(--ease-default);
    box-shadow: 0 0 0 2px var(--color-primary);
    pointer-events: none;
}
.stat_card:hover::after {
    opacity: 0.15;
}

/* Project / browse cards (list items with bg-white + rounded-lg + shadow) */
.project-card,
.browse-card {
    transition: transform var(--transition-base) var(--ease-default),
                box-shadow var(--transition-base) var(--ease-default);
}
.project-card:hover,
.browse-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1),
                0 8px 10px -6px rgba(0, 0, 0, 0.06);
}

/* --------------------------------------------------------------------------
   P5 — Enhanced Form Focus Styles
   Applies a consistent ring + border color to all form controls.
   -------------------------------------------------------------------------- */
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
input[type="date"]:focus,
input[type="datetime-local"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    transition: border-color var(--transition-fast) var(--ease-default),
                box-shadow var(--transition-fast) var(--ease-default);
}

/* Smooth border transition on idle state too (so the transition-out is smooth) */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="date"],
input[type="datetime-local"],
textarea,
select {
    transition: border-color var(--transition-fast) var(--ease-default),
                box-shadow var(--transition-fast) var(--ease-default);
}

/* --------------------------------------------------------------------------
   P6 — Button Loading Spinner Utility
   Usage: add .btn-loading class to a button to show a spinner.
   The button text is hidden and replaced with a centered spinner.
   -------------------------------------------------------------------------- */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}
.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.25em;
    height: 1.25em;
    margin: -0.625em 0 0 -0.625em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
    /* Inherit the original text color for the spinner */
    color: inherit;
    /* Force visibility even though parent text is transparent */
    opacity: 1;
}
/* Override the transparent color specifically for the pseudo-element */
button.btn-loading::after,
a.btn-loading::after,
input[type="submit"].btn-loading::after {
    color: white;
}
/* For outline/ghost buttons, use primary color */
.btn-loading.btn-outline::after,
.btn-loading.btn-ghost::after {
    color: var(--color-primary);
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   P7 — Micro-interactions
   -------------------------------------------------------------------------- */

/* Icon hover scale — add .icon-hover to icon containers */
.icon-hover {
    transition: transform var(--transition-fast) var(--ease-spring);
    display: inline-flex;
}
.icon-hover:hover {
    transform: scale(1.15);
}

/* Button press effect — applies to all standard buttons */
button,
[role="button"],
a.button,
.btn {
    transition: transform var(--transition-fast) var(--ease-default),
                opacity var(--transition-fast) var(--ease-default),
                background-color var(--transition-fast) var(--ease-default),
                box-shadow var(--transition-fast) var(--ease-default);
}
button:active:not(:disabled):not(.btn-loading),
[role="button"]:active:not(:disabled):not(.btn-loading),
a.button:active:not(:disabled):not(.btn-loading),
.btn:active:not(:disabled):not(.btn-loading) {
    transform: scale(0.97);
}

/* Notification bell badge pulse animation */
.notification-badge,
.badge-pulse {
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* Wishlist / Favorite heart animation */
.favorite-active {
    animation: heart-pop 0.35s var(--ease-spring);
}

@keyframes heart-pop {
    0% { transform: scale(1); }
    40% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* Link hover underline animation */
.link-animated {
    position: relative;
    text-decoration: none;
}
.link-animated::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width var(--transition-base) var(--ease-default);
}
.link-animated:hover::after {
    width: 100%;
}

/* --------------------------------------------------------------------------
   P8 — Toast Visual Upgrade (progress bar + spring entrance)
   Overrides/enhances toast.css styles.
   -------------------------------------------------------------------------- */

/* Spring entrance animation (replaces default slide) */
@keyframes toast-spring-in {
    0% {
        opacity: 0;
        transform: translateX(40px) scale(0.95);
    }
    60% {
        opacity: 1;
        transform: translateX(-4px) scale(1.01);
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes toast-spring-out {
    0% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateX(40px) scale(0.95);
    }
}

.toast {
    animation: toast-spring-in 0.4s var(--ease-spring) forwards !important;
}
.toast.toast-exit {
    animation: toast-spring-out 0.25s ease-in forwards !important;
}

/* Progress bar on toasts */
.toast {
    position: relative;
    overflow: hidden;
}
.toast::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: currentColor;
    opacity: 0.2;
    transform-origin: left;
    animation: toast-progress 4s linear forwards;
}

/* Color the progress bar to match toast type */
.toast-success::before { background: var(--color-success); opacity: 0.3; }
.toast-error::before   { background: var(--color-error);   opacity: 0.3; }
.toast-warning::before { background: var(--color-warning); opacity: 0.3; }
.toast-info::before    { background: var(--color-primary); opacity: 0.3; }

@keyframes toast-progress {
    from { transform: scaleX(1); }
    to   { transform: scaleX(0); }
}

/* --------------------------------------------------------------------------
   P9 — Page Entrance Animations (IntersectionObserver-driven)
   Elements with .animate-on-scroll start invisible and animate in
   when they enter the viewport.
   -------------------------------------------------------------------------- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow) var(--ease-default),
                transform var(--transition-slow) var(--ease-default);
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delay classes for card grids */
.animate-delay-1 { transition-delay: 50ms; }
.animate-delay-2 { transition-delay: 100ms; }
.animate-delay-3 { transition-delay: 150ms; }
.animate-delay-4 { transition-delay: 200ms; }
.animate-delay-5 { transition-delay: 250ms; }
.animate-delay-6 { transition-delay: 300ms; }

/* Fade-in from left variant */
.animate-on-scroll.from-left {
    transform: translateX(-20px);
}
.animate-on-scroll.from-left.is-visible {
    transform: translateX(0);
}

/* Fade-in from right variant */
.animate-on-scroll.from-right {
    transform: translateX(20px);
}
.animate-on-scroll.from-right.is-visible {
    transform: translateX(0);
}

/* Scale-up variant */
.animate-on-scroll.scale-up {
    transform: scale(0.95);
}
.animate-on-scroll.scale-up.is-visible {
    transform: scale(1);
}

/* --------------------------------------------------------------------------
   P2 — Blade Modal Animations (template .modal_item pattern)
   Adds scale + fade entrance to Blade modals using the template's open class.
   The backdrop already fades via .modal { transition: all ease 0.4s }.
   -------------------------------------------------------------------------- */
.modal_item.open {
    animation: blade-modal-in 0.25s var(--ease-default) forwards;
}

@keyframes blade-modal-in {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(12px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Accessibility — Respect prefers-reduced-motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}