:root{--color-beige-medium: #f1ebd8;--color-beige-warm: #e6dfc5;--color-olive-base: #8f9b6b;--color-olive-dark: #6f7b52;--color-olive-light: #a8b58a;--text-bright: #222214;--text-primary: #2f2f2a;--text-secondary: #5f6352;--text-muted: #8a8d7a;--text-white: #ffffff;--overlay-light: rgba(255,255,255,.55);--overlay-accent-hover: rgba(143,155,107,.15);--shadow-large-color: rgba(60,60,40,.25);--shadow-glow-color: rgba(143,155,107,.45);--shadow-inner-dark: inset 0 2px 6px rgba(0,0,0,.08);--shadow-inner-light: inset 0 1px 3px rgba(255,255,255,.2);--shadow-sm: 0 2px 8px rgba(0,0,0,.08);--border-color: rgba(143,155,107,.5);--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--radius-pill: 24px;--admin-padding-main: 40px;--admin-padding-mobile: 28px;--admin-padding-input: 14px 16px;--admin-padding-button: 16px 48px;--admin-padding-button-mobile: 14px 32px;--admin-margin-title: 2rem;--admin-margin-subtitle: 2.5rem 0 1.2rem;--admin-margin-button: 2.5rem;--form-gap-large: 20px;--gap-icon: 10px;--gap-checkbox: 12px;--padding-checkbox: 10px;--admin-font-title: 2rem;--admin-font-title-mobile: 1.6rem;--admin-font-subtitle: 16px;--admin-font-subtitle-mobile: 14px;--admin-font-label: 12px;--admin-font-input: 15px;--admin-font-span: 14px;--admin-font-button: 15px;--font-check: 14px;--admin-width-max: 800px;--admin-radio-size: 20px;--admin-radio-dot-size: 8px;--admin-icon-size: 20px;--transition-fast: .25s;--transition-smooth: .35s;--transition-elastic: .45s;--admin-bg-gradient: linear-gradient(145deg, var(--color-beige-medium), var(--color-beige-warm));--admin-title-gradient: linear-gradient(135deg, var(--color-olive-base), var(--color-olive-dark));--admin-button-gradient: linear-gradient(135deg, var(--color-olive-base), var(--color-olive-dark));--admin-input-bg: var(--overlay-light);--admin-input-bg-focus: var(--overlay-accent-hover);--admin-input-border: var(--border-color);--admin-input-border-dark: var(--color-olive-base);--admin-input-border-hover: var(--color-olive-light);--admin-radio-bg: linear-gradient(135deg, rgba(143,155,107,.25), rgba(143,155,107,.15));--admin-radio-checked: linear-gradient(135deg, #b7a66a, #8f9b6b);--admin-overlay-hover: rgba(143,155,107,.15);--admin-overlay-strong: rgba(143,155,107,.35)}.dark{--color-beige-medium: #0f1410;--color-beige-warm: #141a13;--color-olive-base: #a8b58a;--color-olive-dark: #7c875c;--color-olive-light: #c1cf9a;--text-bright: #e7e9dd;--text-primary: #c0c6a2;--text-secondary: #a3a88f;--text-muted: #7c875c;--text-white: #ffffff;--overlay-light: rgba(255,255,255,.04);--overlay-accent-hover: rgba(168,181,138,.12);--shadow-large-color: rgba(0,0,0,.6);--shadow-glow-color: rgba(168,181,138,.35);--shadow-inner-dark: inset 0 2px 6px rgba(0,0,0,.2);--shadow-inner-light: inset 0 1px 3px rgba(255,255,255,.05);--shadow-sm: 0 2px 8px rgba(0,0,0,.12);--border-color: rgba(168,181,138,.45);--admin-bg-gradient: linear-gradient(145deg, #0f1410, #141a13);--admin-title-gradient: linear-gradient(135deg, #a8b58a, #7c875c);--admin-button-gradient: linear-gradient(135deg, #9daa7a, #6f7b52);--admin-input-bg: rgba(255,255,255,.04);--admin-input-bg-focus: rgba(168,181,138,.12);--admin-input-border: rgba(148,163,120,.25);--admin-input-border-dark: rgba(168,181,138,.45);--admin-input-border-hover: rgba(193,207,154,.7);--admin-radio-bg: linear-gradient(135deg, rgba(168,181,138,.35), rgba(124,135,92,.35));--admin-radio-checked: linear-gradient(135deg, #c1cf9a, #9daa7a);--admin-overlay-hover: rgba(168,181,138,.25);--admin-overlay-strong: rgba(168,181,138,.45)}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;background:var(--color-beige-medium);color:var(--text-primary);display:flex;justify-content:center;align-items:flex-start;padding:40px}.admin-course-creation,.admin-course-creation *{transition:background .4s ease,box-shadow .4s ease,border-color .4s ease,color .4s ease}.admin-course-creation{max-width:var(--admin-width-max);width:100%;background:var(--admin-bg-gradient);padding:var(--admin-padding-main);border-radius:var(--radius-lg);box-shadow:0 16px 48px var(--shadow-large-color),var(--shadow-inner-light);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);animation:slideInUp .6s ease forwards}@keyframes slideInUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.admin-course-creation h2{font-size:var(--admin-font-title);font-weight:800;text-align:center;margin-bottom:var(--admin-margin-title);background:var(--admin-title-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 20px var(--shadow-glow-color)}.admin-course-creation h3{font-size:var(--admin-font-subtitle);font-weight:700;color:var(--text-primary);margin:var(--admin-margin-subtitle);position:relative;padding-left:28px}.admin-course-creation form{display:flex;flex-direction:column;gap:var(--form-gap-large)}.admin-course-creation label{display:flex;flex-direction:column;font-size:var(--admin-font-label);font-weight:600;color:var(--text-secondary);text-transform:uppercase;gap:6px}.admin-course-creation input[type=text]{width:100%;padding:var(--admin-padding-input);border-radius:var(--radius-md);border:1px solid var(--admin-input-border);background:var(--admin-input-bg);font-size:var(--admin-font-input);color:var(--text-primary);outline:none;box-shadow:var(--shadow-inner-dark);transition:all var(--transition-fast) ease-in-out}.admin-course-creation input[type=text]:focus{border-color:var(--color-olive-base);background:var(--admin-input-bg-focus);box-shadow:0 0 0 3px var(--admin-overlay-strong),var(--shadow-inner-dark)}.admin-course-creation .radio,.admin-course-creation .checkbox{display:flex;align-items:center;gap:12px;padding:8px;border-radius:var(--radius-md);cursor:pointer;position:relative}.admin-course-creation .radio input,.admin-course-creation .checkbox input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:var(--admin-radio-size);height:var(--admin-radio-size);border-radius:50%;border:2px solid var(--admin-input-border-dark);background:var(--admin-radio-bg);position:relative;cursor:pointer;transition:all var(--transition-smooth)}.admin-course-creation .radio input:checked:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:var(--admin-radio-dot-size);height:var(--admin-radio-dot-size);border-radius:50%;background:var(--text-white)}.admin-course-creation .checkbox input:checked:after{content:"✓";color:var(--text-white);font-size:var(--font-check);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.admin-course-creation .radio span,.admin-course-creation .checkbox span{font-size:var(--admin-font-span);color:var(--text-secondary);font-weight:500}.admin-course-creation .radio input:checked~span,.admin-course-creation .checkbox input:checked~span{font-weight:600;color:var(--text-bright)}.admin-course-creation button{margin-top:var(--admin-margin-button);padding:var(--admin-padding-button);border-radius:var(--radius-pill);border:none;background:var(--admin-button-gradient);font-weight:700;font-size:var(--admin-font-button);color:var(--text-white);cursor:pointer;text-transform:uppercase;letter-spacing:1px;box-shadow:0 10px 30px var(--shadow-glow-color);transition:all var(--transition-smooth)}.admin-course-creation button:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 20px 50px var(--shadow-glow-color)}.admin-course-creation button:active{transform:translateY(-1px) scale(.98)}@media(max-width:768px){.admin-course-creation{padding:var(--admin-padding-mobile)}.admin-course-creation h2{font-size:var(--admin-font-title-mobile)}.admin-course-creation h3{font-size:var(--admin-font-subtitle-mobile)}.admin-course-creation button{width:100%;padding:var(--admin-padding-button-mobile)}}