@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

:root {
    --tron-cyan: #00D9FF;
    --tron-blue: #0099CC;
    --tron-orange: #FF8000;
    --tron-dark: #0E1F2F;
    --tron-darker: #050A0F;
    --tron-black: #000508;
    --grid-color: #00D9FF22;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(180deg, #000508 0%, #0E1F2F 50%, #000508 100%);
    color: var(--tron-cyan);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(0deg, transparent 24%, var(--grid-color) 25%, var(--grid-color) 26%, transparent 27%, transparent 74%, var(--grid-color) 75%, var(--grid-color) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, var(--grid-color) 25%, var(--grid-color) 26%, transparent 27%, transparent 74%, var(--grid-color) 75%, var(--grid-color) 76%, transparent 77%, transparent);
    background-size: 50px 50px;
    background-position: -1px -1px;
    opacity: 0.3;
    z-index: -1;
    animation: gridScroll 20s linear infinite;
}

@keyframes gridScroll {
    0% {
        background-position: -1px -1px;
    }
    100% {
        background-position: -1px 49px;
    }
}

#app {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 20px;
}

.loading-screen {
    text-align: center;
}

.loading-text {
    font-size: 2rem;
    font-weight: 900;
    color: var(--tron-cyan);
    text-shadow:
        0 0 10px var(--tron-cyan),
        0 0 20px var(--tron-cyan),
        0 0 30px var(--tron-cyan);
    animation: pulse 1.5s ease-in-out infinite;
    letter-spacing: 0.3em;
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: var(--tron-darker);
    margin: 20px auto;
    border-radius: 2px;
    overflow: hidden;
    box-shadow:
        0 0 10px var(--tron-cyan),
        inset 0 0 10px rgba(0, 0, 0, 0.5);
}

.loading-bar::after {
    content: '';
    display: block;
    width: 50%;
    height: 100%;
    background: var(--tron-cyan);
    animation: loading 1.5s ease-in-out infinite;
    box-shadow: 0 0 30px var(--tron-cyan);
}

@keyframes loading {
    0%, 100% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(200%);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.calculator-container {
    max-width: 550px;
    width: 100%;
    padding: 25px;
    background: rgba(5, 10, 15, 0.95);
    border: 2px solid var(--tron-cyan);
    border-radius: 15px;
    box-shadow:
        0 0 20px var(--tron-cyan),
        0 0 40px rgba(0, 217, 255, 0.4),
        inset 0 0 40px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
}

h1 {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 8px;
    color: var(--tron-cyan);
    text-shadow:
        0 0 10px var(--tron-cyan),
        0 0 20px var(--tron-cyan),
        0 0 30px var(--tron-cyan);
    letter-spacing: 0.1em;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow:
            0 0 10px var(--tron-cyan),
            0 0 20px var(--tron-cyan);
    }
    to {
        text-shadow:
            0 0 20px var(--tron-cyan),
            0 0 40px var(--tron-cyan),
            0 0 60px var(--tron-cyan);
    }
}

.subtitle {
    text-align: center;
    color: var(--tron-cyan);
    font-size: 0.75rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.8;
}

/* Unit Selector */
.unit-selector {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.unit-option {
    padding: 6px 20px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid var(--tron-blue);
    border-radius: 6px;
    color: var(--tron-blue);
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.15em;
    box-shadow: 0 0 10px rgba(0, 153, 204, 0.4);
}

.unit-option:hover {
    border-color: var(--tron-cyan);
    color: var(--tron-cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
    transform: translateY(-2px);
}

.unit-option.active {
    background: rgba(0, 217, 255, 0.2);
    border-color: var(--tron-cyan);
    color: var(--tron-cyan);
    box-shadow:
        0 0 25px var(--tron-cyan),
        inset 0 0 20px rgba(0, 217, 255, 0.3);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 2px solid rgba(0, 217, 255, 0.3);
}

.tab {
    flex: 1;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.4);
    border: 2px solid transparent;
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    color: var(--tron-cyan);
    font-weight: 700;
    font-size: 0.7rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.6;
}

.tab:hover {
    opacity: 1;
    border-color: var(--tron-blue);
    box-shadow: 0 0 15px rgba(0, 153, 204, 0.3);
}

.tab.active {
    opacity: 1;
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--tron-cyan);
    border-bottom: 2px solid rgba(10, 10, 15, 0.8);
    color: var(--tron-cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.4);
    position: relative;
    bottom: -2px;
}

.tab-content {
    margin-bottom: 20px;
}

.input-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.input-group {
    position: relative;
}

label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--tron-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-shadow: 0 0 8px var(--tron-cyan);
}

input {
    width: 100%;
    padding: 10px 15px;
    background: rgba(0, 5, 8, 0.8);
    border: 2px solid var(--tron-cyan);
    border-radius: 8px;
    color: var(--tron-cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow:
        0 0 10px rgba(0, 217, 255, 0.4),
        inset 0 0 15px rgba(0, 0, 0, 0.7);
}

input:focus {
    outline: none;
    border-color: var(--tron-cyan);
    box-shadow:
        0 0 25px var(--tron-cyan),
        0 0 50px rgba(0, 217, 255, 0.4),
        inset 0 0 20px rgba(0, 217, 255, 0.2);
    transform: translateY(-2px);
}

input::placeholder {
    color: rgba(0, 217, 255, 0.4);
}

input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Select/Dropdown Styling */
select.race-select {
    width: 100%;
    padding: 10px 15px;
    background: rgba(0, 5, 8, 0.8);
    border: 2px solid var(--tron-cyan);
    border-radius: 8px;
    color: var(--tron-cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow:
        0 0 10px rgba(0, 217, 255, 0.4),
        inset 0 0 15px rgba(0, 0, 0, 0.7);
}

select.race-select:focus {
    outline: none;
    border-color: var(--tron-cyan);
    box-shadow:
        0 0 20px var(--tron-cyan),
        0 0 40px rgba(0, 217, 255, 0.3),
        inset 0 2px 10px rgba(0, 0, 0, 0.5);
}

select.race-select option {
    background: var(--tron-black);
    color: var(--tron-cyan);
    padding: 10px;
}

.hint-text {
    display: block;
    margin-top: 4px;
    font-size: 0.65rem;
    color: var(--tron-cyan);
    opacity: 0.5;
    font-weight: 400;
}

.calculate-button {
    width: 100%;
    padding: 12px;
    background: var(--tron-black);
    border: 2px solid var(--tron-cyan);
    border-radius: 8px;
    color: var(--tron-cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.95rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow:
        0 0 20px var(--tron-cyan),
        inset 0 0 20px rgba(0, 217, 255, 0.1),
        0 4px 12px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.calculate-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.calculate-button:hover::before {
    left: 100%;
}

.calculate-button:hover {
    transform: translateY(-3px);
    box-shadow:
        0 0 30px var(--tron-cyan),
        0 0 50px rgba(0, 217, 255, 0.5),
        0 8px 20px rgba(0, 0, 0, 0.4);
}

.calculate-button:active {
    transform: translateY(-1px);
}

.calculate-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Result Display */
.result-display {
    margin-top: 15px;
    padding: 15px;
    background: rgba(0, 5, 8, 0.9);
    border: 2px solid var(--tron-cyan);
    border-radius: 10px;
    text-align: center;
    box-shadow:
        0 0 25px rgba(0, 217, 255, 0.6),
        inset 0 0 30px rgba(0, 217, 255, 0.15);
    animation: resultAppear 0.5s ease;
}

@keyframes resultAppear {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.result-display-label {
    font-size: 0.7rem;
    color: var(--tron-orange);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
    font-weight: 700;
    text-shadow: 0 0 10px var(--tron-orange);
}

.result-display-value {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--tron-cyan);
    text-shadow:
        0 0 20px var(--tron-cyan),
        0 0 40px var(--tron-cyan);
    letter-spacing: 0.05em;
}

.error-message {
    background: rgba(255, 0, 100, 0.2);
    border: 2px solid #ff0064;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    color: #ff0064;
    text-align: center;
    font-weight: 700;
    box-shadow: 0 0 20px rgba(255, 0, 100, 0.3);
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.results-section {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 2px solid rgba(0, 217, 255, 0.3);
}

.results-title {
    font-size: 1rem;
    font-weight: 900;
    color: var(--tron-cyan);
    text-align: center;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    text-shadow: 0 0 12px var(--tron-cyan);
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.result-item {
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--tron-blue);
    border-radius: 8px;
    padding: 12px;
    box-shadow:
        0 0 12px rgba(0, 153, 204, 0.3),
        inset 0 0 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.result-item:hover {
    border-color: var(--tron-cyan);
    box-shadow:
        0 0 25px rgba(0, 217, 255, 0.5),
        inset 0 0 20px rgba(0, 0, 0, 0.3);
    transform: translateX(5px);
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.result-row:last-child {
    margin-bottom: 0;
}

.result-label {
    color: var(--tron-orange);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.result-value {
    color: var(--tron-cyan);
    font-size: 0.85rem;
    font-weight: 900;
    text-shadow: 0 0 8px var(--tron-cyan);
}

.no-results {
    text-align: center;
    color: rgba(0, 217, 255, 0.5);
    font-style: italic;
    padding: 20px;
    font-size: 0.75rem;
}

#blazor-error-ui {
    background: #ff0064;
    bottom: 0;
    box-shadow: 0 -1px 5px rgba(0, 0, 0, 0.5);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    color: white;
    font-weight: 700;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

@media (max-width: 768px) {
    .calculator-container {
        padding: 20px;
    }

    h1 {
        font-size: 1.6rem;
    }

    .subtitle {
        font-size: 0.65rem;
    }

    .tabs {
        flex-direction: column;
        gap: 5px;
    }

    .tab {
        font-size: 0.65rem;
        padding: 10px 12px;
        border-radius: 6px;
        border: 2px solid transparent;
    }

    .tab.active {
        border: 2px solid var(--tron-cyan);
        border-radius: 6px;
        bottom: 0;
    }

    .unit-option {
        padding: 6px 16px;
        font-size: 0.7rem;
    }

    input, select.race-select {
        font-size: 0.9rem;
        padding: 10px 12px;
    }

    .calculate-button {
        font-size: 0.85rem;
        padding: 12px;
    }

    .result-display-value {
        font-size: 1.4rem;
    }

    .result-display-label {
        font-size: 0.65rem;
    }
}

/* Footer */
.app-footer {
    width: 100%;
    padding: 20px;
    text-align: center;
    margin-top: auto;
}

.footer-content {
    font-size: 0.75rem;
    color: var(--tron-cyan);
    opacity: 0.8;
    letter-spacing: 0.05em;
    font-weight: 400;
}

.footer-content .heart {
    color: var(--tron-orange);
    display: inline-block;
    animation: heartbeat 1.5s ease-in-out infinite;
    font-size: 0.9rem;
    margin: 0 2px;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20%, 40% {
        transform: scale(1);
    }
}

.footer-link {
    color: var(--tron-cyan);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px var(--tron-cyan);
    position: relative;
}

.footer-link:hover {
    color: var(--tron-orange);
    text-shadow:
        0 0 10px var(--tron-orange),
        0 0 20px var(--tron-orange);
}

.footer-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    bottom: -2px;
    left: 0;
    background: var(--tron-cyan);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    box-shadow: 0 0 8px var(--tron-cyan);
}

.footer-link:hover::after {
    transform: scaleX(1);
    background: var(--tron-orange);
    box-shadow: 0 0 10px var(--tron-orange);
}