@import url("style.css");

html {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: var(--fonte-texto);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(70deg, #f0ffff 40%, #b3dadb);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 20px 0;
}

.desafios-hero {
    text-align: left;
    width: min(1200px, 95%);
    margin: 0 auto;
    padding: 40px 0 10px 0;
}

.desafios-hero__title {
    font-size: 46px;
    line-height: 1.15;
    margin: 0;
    color: #2c5c5c;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.desafios-hero__title span {
    color: var(--cor-azul);
    display: block;
    background: linear-gradient(135deg, var(--cor-azul), var(--cor-ciano-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.desafios-hero__p {
    margin: 20px 0 25px 0;
    max-width: 850px;
    line-height: 1.7;
    font-size: 19px;
    color: #2c5c5c;
}


.filters__container {
    width: min(1200px, 95%);
    margin: 0 auto;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter__btn {
    background: rgba(255, 255, 255, 0.6);
    color: var(--cor-azul-escuro);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 30px;
    padding: 10px 24px;
    font-family: var(--fonte-texto);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.filter__btn:hover {
    background: rgba(255, 255, 255, 0.95);
    color: var(--cor-azul);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(19, 150, 159, 0.1);
}

.filter__btn.active {
    background: var(--cor-azul);
    color: var(--cor-branco);
    border-color: var(--cor-azul);
    box-shadow: 0 6px 20px rgba(19, 150, 159, 0.35);
}


.challenges__container {
    width: min(1200px, 95%);
    margin: 0 auto 30px auto;
}

.challenges__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 25px;
}


.challenge__card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.04);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 5px solid var(--cor-azul);
}

.challenge__card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 12px 40px 0 rgba(19, 150, 159, 0.12);
    border-top-color: var(--cor-ciano-2);
}

.challenge__card.hidden {
    display: none !important;
}

.challenge__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.challenge__category {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--cor-azul-escuro);
    letter-spacing: 1.5px;
    background: rgba(19, 150, 159, 0.1);
    padding: 4px 12px;
    border-radius: 12px;
}

.challenge__difficulty {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 12px;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.diff--facil {
    background-color: #e8f5e9;
    color: #2e7d32;
    border: 1px solid rgba(46, 125, 50, 0.15);
}

.diff--medio {
    background-color: #fff3e0;
    color: #ef6c00;
    border: 1px solid rgba(239, 108, 0, 0.15);
}

.diff--dificil {
    background-color: #ffebee;
    color: #c62828;
    border: 1px solid rgba(198, 40, 40, 0.15);
}

.challenge__title {
    font-size: 22px;
    color: var(--cor-azul-escuro);
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.challenge__description {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.challenge__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 20px;
    margin-top: 10px;
}

.challenge__points {
    font-size: 17px;
    font-weight: 700;
    color: var(--cor-azul);
    display: flex;
    align-items: center;
    gap: 6px;
}

.challenge__btn {
    background: linear-gradient(135deg, var(--cor-ciano-2), var(--cor-azul));
    color: var(--cor-branco);
    border: none;
    border-radius: 25px;
    padding: 10px 22px;
    font-family: var(--fonte-texto);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(19, 150, 159, 0.15);
}

.challenge__btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(19, 150, 159, 0.3);
    filter: brightness(1.05);
}

.simulator__container {
    width: min(1200px, 95%);
    margin: 40px auto 60px auto;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.04);
    padding: 40px;
    border-left: 6px solid var(--cor-ciano-2);
}

.simulator__title {
    color: var(--cor-azul-escuro);
    font-size: 30px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
}

.simulator__title i {
    color: var(--cor-ciano-2);
}

.simulator__description {
    color: #4a5568;
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 30px;
}

.simulator__content {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
}

.simulator__form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.form__label {
    font-weight: 700;
    color: var(--cor-azul-escuro);
    font-size: 15px;
    letter-spacing: 0.3px;
}

.form__select {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--cor-azul-bebe);
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.7);
    font-family: var(--fonte-texto);
    font-size: 16px;
    color: var(--cor-azul-escuro);
    outline: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.form__select:focus {
    border-color: var(--cor-azul);
    background-color: var(--cor-branco);
    box-shadow: 0 0 15px rgba(19, 150, 159, 0.12);
}

.form__file-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
}

.form__file-hidden {
    display: none;
}

.form__file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: 2px dashed var(--cor-azul-bebe);
    background: rgba(250, 250, 250, 0.5);
    padding: 35px 25px;
    border-radius: 12px;
    cursor: pointer;
    text-align: center;
    color: var(--cor-azul-escuro);
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form__file-label i {
    font-size: 36px;
    color: var(--cor-ciano-2);
    transition: transform 0.2s ease;
}

.form__file-label:hover {
    background: rgba(240, 247, 247, 0.6);
    border-color: var(--cor-azul);
}

.form__file-label:hover i {
    transform: translateY(-3px);
}

.form__btn-submit {
    background: linear-gradient(135deg, var(--cor-azul), var(--cor-ciano-2));
    color: var(--cor-branco);
    border: none;
    border-radius: 30px;
    padding: 16px;
    font-family: var(--fonte-texto);
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(19, 150, 159, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.form__btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(19, 150, 159, 0.35);
    filter: brightness(1.03);
}

.form__btn-submit:disabled {
    background: #cbd5e0;
    box-shadow: none;
    transform: none;
    cursor: not-allowed;
}

.simulator__display {
    background-color: #080d0f;
    border-radius: 16px;
    padding: 30px;
    color: #00e676;
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: relative;
    min-height: 290px;
    border: 2px solid #14282c;
    box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.95), 0 10px 30px rgba(0, 0, 0, 0.15);
    text-shadow: 0 0 6px rgba(0, 230, 118, 0.45);
    overflow: hidden;
}

.simulator__display::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.2) 50%), 
                linear-gradient(90deg, rgba(255, 0, 0, 0.04), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.04));
    background-size: 100% 4px, 3px 100%;
    z-index: 2;
    pointer-events: none;
    opacity: 0.8;
}

.display__title {
    color: #00e676;
    margin-bottom: 20px;
    font-size: 14px;
    border-bottom: 1px solid rgba(0, 230, 118, 0.25);
    padding-bottom: 8px;
    font-weight: bold;
    letter-spacing: 1px;
}

.display__text-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.display__text {
    font-size: 14px;
    line-height: 1.6;
    color: #81c784;
}

.display__text.highlight {
    color: #fff;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.cursor-blink {
    display: inline-block;
    width: 8px;
    height: 15px;
    background-color: #00e676;
    margin-left: 2px;
    vertical-align: middle;
    animation: blink 0.9s infinite;
}

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

.display__spinner {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    position: absolute;
    inset: 0;
    background-color: rgba(8, 13, 15, 0.96);
    border-radius: 16px;
    z-index: 5;
}

.spinner__icon {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(0, 230, 118, 0.15);
    border-top-color: #00e676;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(0, 230, 118, 0.2);
    animation: spin 1s infinite linear;
}

.spinner__text {
    color: #00e676;
    font-size: 15px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.display__progress-bar {
    width: 75%;
    height: 8px;
    background-color: #121e20;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 10px;
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.progress-bar__fill {
    height: 100%;
    width: 0%;
    background-color: #00e676;
    box-shadow: 0 0 10px #00e676;
    transition: width 0.1s linear;
}

.display__success-screen {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 15px;
    position: absolute;
    inset: 0;
    background-color: #080d0f;
    border-radius: 16px;
    padding: 25px;
    z-index: 6;
    animation: pop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.success__icon {
    font-size: 55px;
    color: #00e676;
    filter: drop-shadow(0 0 10px rgba(0, 230, 118, 0.4));
    margin-bottom: 5px;
}

.success__title {
    color: #fff;
    font-size: 22px;
    font-family: var(--fonte-texto);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.success__desc {
    color: #a5d6a7;
    font-size: 14px;
    font-family: var(--fonte-texto);
    max-width: 80%;
    line-height: 1.5;
}

.success__points {
    color: #00e676;
    font-size: 28px;
    font-weight: 700;
    margin: 5px 0;
    font-family: var(--fonte-texto);
    text-shadow: 0 0 10px rgba(0, 230, 118, 0.4);
}

.success__reset-btn {
    background-color: transparent;
    border: 1px solid rgba(0, 230, 118, 0.5);
    color: #00e676;
    padding: 8px 22px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    font-family: var(--fonte-texto);
    transition: all 0.3s ease;
    margin-top: 10px;
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.05);
}

.success__reset-btn:hover {
    border-color: #00e676;
    color: #080d0f;
    background-color: #00e676;
    box-shadow: 0 0 15px rgba(0, 230, 118, 0.3);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pop {
    0% { transform: scale(0.9); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

@media (max-width: 1024px) {
    .desafios-hero {
        text-align: center;
        padding: 30px 10px;
    }

    .desafios-hero__title {
        font-size: 38px;
    }

    .desafios-hero__p {
        font-size: 17px;
        margin: 15px auto;
    }

    .filters__container {
        justify-content: center;
    }

    .simulator__content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .challenges__grid {
        grid-template-columns: 1fr;
    }

    .simulator__container {
        padding: 30px 20px;
        border-radius: 16px;
    }

    .simulator__title {
        font-size: 26px;
    }
}

@media (max-width: 480px) {
    .desafios-hero__title {
        font-size: 30px;
    }

    .filter__btn {
        font-size: 14px;
        padding: 8px 18px;
    }

    .form__file-label {
        padding: 20px;
    }
}