/* ==============================
   WORKOUT GENERATION MODAL
   ============================== */

/* Modal Overlay */
.workout-gen-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: pointer;
    pointer-events: none;
}

.workout-gen-modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Main Modal Container */
.workout-gen-modal {
    position: fixed;
    left: 0;
    width: 100vw;
    height: 80vh;
    background-color: #1a1a1a;
    border-radius: 28px 28px 0 0;
    padding: 24px;
    box-sizing: border-box;
    overflow: hidden;
    z-index: 1101;
    transform: translateY(100vh);
    transition: transform 0.3s ease-out, height 0.3s ease-out;
    bottom: 0;
    font-family: 'Inter', sans-serif;
    cursor: default;
    display: flex;
    flex-direction: column;
}

.workout-gen-modal.active {
    transform: translateY(0);
}

/* Collapsed State - Only show progress header */
.workout-gen-modal.collapsed {
    height: 67.2px;
    padding: 16px 24px;
    cursor: pointer;
}

.workout-gen-modal.collapsed .workout-gen-tips-section,
.workout-gen-modal.collapsed .workout-gen-results-section {
    display: none !important;
}

/* ==============================
   PROGRESS HEADER
   ============================== */

.workout-gen-progress-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    min-height: 35px;
}

.workout-gen-modal.collapsed .workout-gen-progress-header {
    margin-bottom: 0;
    justify-content: center;
}

.workout-gen-progress-bar {
    width: 90%;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.workout-gen-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4a90e2, #03a3b1);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
}

.workout-gen-progress-text {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 18px;
    color: #EEFDF9;
    text-align: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.workout-gen-progress-text.visible {
    opacity: 1;
}

/* ==============================
   TIPS SECTION
   ============================== */

.workout-gen-tips-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    transition: opacity 0.5s ease;
}

.workout-gen-tips-section.hidden {
    opacity: 0;
    pointer-events: none;
}

.workout-gen-tip-text {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 20px;
    color: rgba(238, 253, 249, 0.8);
    text-align: center;
    line-height: 1.6;
    max-width: 600px;
    margin: 0;
    transition: opacity 1s ease-in-out;
}

/* ==============================
   RESULTS SECTION
   ============================== */

.workout-gen-results-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    overflow-y: auto;
    padding: 20px;
}

.workout-gen-results-section.visible {
    opacity: 1;
}

/* Single Workout Display */
.workout-gen-single-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.workout-gen-single-title {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 24px;
    color: #EEFDF9;
    margin: 0;
    line-height: 1.3;
}

.workout-gen-start-btn {
    font-family: 'Inter', sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: #EEFDF9;
    background-color: #03a3b1;
    border: none;
    border-radius: 16px;
    padding: 16px 48px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.workout-gen-start-btn:hover {
    background-color: #028a96;
    transform: translateY(-2px);
}

.workout-gen-start-btn:active {
    transform: translateY(0);
}

/* Multiple Workouts Grid */
.workout-gen-multi-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    width: 100%;
    max-width: 900px;
    justify-items: center;
}

/* Desktop: 4 columns */
@media (min-width: 769px) {
    .workout-gen-multi-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
        max-width: 738px; /* 180px * 4 + 18px * 3 gaps */
    }
}

/* Workout cards in grid - inherit from workout-item styles */
.workout-gen-multi-grid .workout-item {
    background-color: rgba(238, 253, 249, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-radius: 28px;
    padding: 16px;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out, transform 0.2s ease;
    border: none;
    position: relative;

    /* Adaptive sizing matching skills grid */
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    max-width: 180px;
}

.workout-gen-multi-grid .workout-item:hover {
    background-color: rgba(238, 253, 249, 0.2);
    transform: translateY(-2px);
}

/* Small screens: Adjust max-width */
@media (max-width: 390px) {
    .workout-gen-multi-grid .workout-item {
        max-width: 165px;
    }
}

/* ==============================
   RESPONSIVE ADJUSTMENTS
   ============================== */

@media (max-width: 768px) {
    .workout-gen-modal {
        padding: 20px;
    }

    .workout-gen-modal.collapsed {
        padding: 12px 20px;
    }

    .workout-gen-tip-text {
        font-size: 18px;
        padding: 0 16px;
    }

    .workout-gen-single-title {
        font-size: 20px;
    }

    .workout-gen-start-btn {
        font-size: 20px;
        padding: 14px 40px;
    }

    .workout-gen-multi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        max-width: 372px; /* 180px + 180px + 12px gap */
    }
}

/* ==============================
   SAFE AREA SUPPORT (iOS)
   ============================== */

.workout-gen-modal {
    padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    padding-left: calc(24px + env(safe-area-inset-left, 0px));
    padding-right: calc(24px + env(safe-area-inset-right, 0px));
}

.workout-gen-modal.collapsed {
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    padding-left: calc(24px + env(safe-area-inset-left, 0px));
    padding-right: calc(24px + env(safe-area-inset-right, 0px));
}