/* Theme: Fotoaufgabe (inspiriert von Landingpage & Manage-Bereich) */
:root {
    --font-color: rgba(236, 242, 255, 0.95);
    --background-color: radial-gradient(circle at 20% 20%, #163661 0%, #040c21 80%);
    --secondary-background-color: rgba(10, 18, 36, 0.82);
    --head-color: rgba(200, 222, 255, 0.96);
    --highlight-color: #205de3;
    --icon-color: rgba(236, 242, 255, 0.95);
    --logo-image: url('../game/img/logo.svg');
    --shadow-color: rgba(6, 12, 28, 0.52);
    --bold-font-color: rgba(26, 32, 45, 0.9);
    --task-card-bg-light: rgba(248, 252, 255, 0.96);
    --task-card-bg-dark: rgba(224, 236, 255, 0.88);
    --box-shadow-dark: rgba(10, 22, 48, 0.28);
    --box-shadow-light: rgba(168, 214, 255, 0.5);
    --disabled-background: rgba(26, 36, 62, 0.68);
    --footer-link-color: rgba(156, 200, 255, 0.85);
    --completed-overlay-bg: rgba(8, 14, 28, 0.9);
    --spinner-border-color: rgba(98, 156, 255, 0.65);
    --upload-button-disabled-bg: rgba(22, 34, 58, 0.82);
    --upload-button-disabled-color: rgba(214, 226, 246, 0.62);
    --card-border-radius: 18px;
    --button-border-radius: 16px;
    --preview-border-radius: 18px;
    --preview-border: 1px solid rgba(152, 198, 255, 0.4);
    --qr-border-radius: 20px;
    --tooltip-border-radius: 12px;
    --preview-placeholder-bg: rgba(16, 26, 44, 0.82);
}

#upload-container::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0.7;
    z-index: -1;
}

#drop-area {
    gap: 12px;
}

#drop-area .round-button {
    flex: 1;
    max-width: 250px;
    width: 100%;
    height: 60px;
    border-radius: var(--button-border-radius);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    gap: 5px;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    border: 1px solid transparent;
    background:
        linear-gradient(-75deg, rgba(72, 134, 210, 0.32), rgba(30, 54, 96, 0.55)) padding-box,
        linear-gradient(120deg, rgba(186, 228, 255, 0.35), rgba(72, 134, 210, 0.25)) border-box;
    background-origin: border-box;
    background-clip: padding-box, border-box;
    color: var(--font-color);
    box-shadow: 0 16px 32px rgba(4, 12, 28, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.25s var(--transition-ease-emphasized, cubic-bezier(0.25, 1, 0.5, 1)),
                box-shadow 0.25s var(--transition-ease-emphasized, cubic-bezier(0.25, 1, 0.5, 1)),
                border-color 0.25s var(--transition-ease-emphasized, cubic-bezier(0.25, 1, 0.5, 1));
}

#drop-area .round-button::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(-45deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0));
    opacity: 0.4;
    pointer-events: none;
}

#drop-area .round-button::after {
    display: inline-flex;
    align-items: center;
    color: inherit;
    font-size: 0.95rem;
}

#drop-area .round-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 40px rgba(8, 18, 42, 0.5);
    border-color: rgba(190, 232, 255, 0.5);
}

#drop-area .round-button svg {
    width: 24px;
    height: 24px;
    color: currentColor;
}

#selectButton::after {
    content: ' Foto aufnehmen';
}

#postponeButton::after {
    content: ' Später erledigen';
}

#postponeButton {
    background: linear-gradient(140deg, rgba(22, 38, 70, 0.6), rgba(12, 22, 44, 0.5));
    color: rgba(214, 226, 246, 0.85);
    border-color: rgba(138, 184, 246, 0.32);
    box-shadow: 0 14px 30px rgba(4, 12, 28, 0.4);
    position: static;
    transform: none;
}

#postponeButton::before {
    opacity: 0.25;
}

#selectButton {
    background: linear-gradient(-78deg, rgba(37, 99, 235, 0.95), rgba(88, 163, 255, 0.78));
    color: rgba(255, 255, 255, 0.96);
    border-color: rgba(172, 220, 255, 0.55);
    box-shadow: 0 22px 44px rgba(32, 93, 227, 0.45);
}

#selectButton::before {
    opacity: 0.6;
}

#uploadButton,
#restartButton,
#openInBrowser {
    width: 100%;
    height: 60px;
    margin-top: 10px;
    max-width: 510px;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    border-radius: 999px;
    border: 1px solid rgba(172, 220, 255, 0.55);
    background: linear-gradient(-78deg, rgba(37, 99, 235, 0.94), rgba(88, 163, 255, 0.76));
    color: rgba(255, 255, 255, 0.96);
    box-shadow: 0 24px 48px rgba(32, 93, 227, 0.42);
    transition: transform 0.25s var(--transition-ease-emphasized, cubic-bezier(0.25, 1, 0.5, 1)),
                box-shadow 0.25s var(--transition-ease-emphasized, cubic-bezier(0.25, 1, 0.5, 1));
}

#uploadButton::before,
#restartButton::before,
#openInBrowser::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(-45deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0));
    opacity: 0.6;
    pointer-events: none;
}

#uploadButton::after,
#restartButton::after,
#openInBrowser::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: conic-gradient(from -85deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.6));
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    pointer-events: none;
    opacity: 0.5;
}

@supports not ((-webkit-mask-composite: xor) or (mask-composite: exclude)) {
    #uploadButton::after,
    #restartButton::after,
    #openInBrowser::after {
        content: none;
    }
}

@supports (-moz-appearance: none) {
    #uploadButton,
    #restartButton,
    #openInBrowser {
        border-color: transparent;
    }

    #uploadButton::after,
    #restartButton::after,
    #openInBrowser::after {
        content: "";
        padding: 0;
        background: conic-gradient(
            from -85deg,
            rgba(255, 255, 255, 0.6),
            rgba(255, 255, 255, 0.1),
            rgba(255, 255, 255, 0.6)
        );
        mask: radial-gradient(
            circle farthest-side,
            transparent calc(100% - 1px),
            #000 calc(100% - 1px)
        );
    }
}

#uploadButton:hover,
#restartButton:hover,
#openInBrowser:hover {
    transform: translateY(-2px);
    box-shadow: 0 28px 56px rgba(34, 102, 232, 0.5);
}

#uploadButton:active,
#restartButton:active,
#openInBrowser:active {
    transform: translateY(1px) scale(0.98);
    box-shadow: 0 18px 36px rgba(28, 88, 214, 0.38);
}

#uploadButton:focus-visible,
#restartButton:focus-visible,
#openInBrowser:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(148, 210, 255, 0.55), 0 28px 56px rgba(34, 102, 232, 0.5);
}

#uploadButton:disabled {
    background: linear-gradient(140deg, rgba(20, 34, 60, 0.82), rgba(14, 26, 48, 0.7));
    border-color: rgba(120, 156, 210, 0.3);
    color: var(--upload-button-disabled-color);
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

#uploadButton:disabled::before {
    opacity: 0.2;
}

.task-card {
    position: relative;
    background: linear-gradient(160deg, rgba(248, 252, 255, 0.95), rgba(230, 240, 255, 0.9));
    border: 1px solid rgba(176, 210, 255, 0.45);
    box-shadow: 0 18px 38px rgba(4, 10, 24, 0.28), 0 0 0 1px rgba(148, 198, 255, 0.2);
}

.task-card h2 {
    color: rgba(26, 32, 45, 0.72);
}

.task-card p {
    color: rgba(26, 32, 45, 0.85);
}